Customer [Domain] Customer [Domain] Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Defined Benefit Plan, Benefit Obligation, Actuarial Loss (Gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Cash Equivalents, at Carrying Value Other Cash Equivalents, at Carrying Value Vested, Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Current State and Local Tax Expense (Benefit) Current State and Local Tax Expense (Benefit) Kelsen [Member] Kelsen [Member] Kelsen business Consolidated Entities [Axis] Consolidated Entities [Axis] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Derivatives liabilities at fair value Derivative Liability Dividends Dividends, Common Stock, Cash Security Exchange Name Security Exchange Name Fiscal Period Number Of Weeks Fiscal Period Number Of Weeks Fiscal Period Number Of Weeks Forfeited, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Liability, Defined Benefit Plan, Current Liability, Defined Benefit Plan, Current Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Long-term Debt, Maturities, Repayments of Principal in Year Two Long-Term Debt, Maturity, Year Two Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Indefinite Life [Member] Indefinite Life [Member] Indefinite Life Finance Lease, Liability, to be Paid, Year One Finance Lease, Liability, Payments, Due in Next Rolling 12 Months Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Finance Lease, Liability, to be Paid, Year Two Finance Lease, Liability, Payments, Due in Rolling Year Two Charged to (Reduction in) Cost and Expense SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Finance Lease, Liability, to be Paid, Year Five Finance Lease, Liability, Payments, Due in Rolling Year Five Amortization of Intangible Assets Amortization of Intangible Assets Schedule of Restructuring Activity and Related Reserves [Table] Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Stock options not included in the diluted earnings per share calculation as they were antidilutive Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Research and Development Expense [Member] Research and Development Expense [Member] Trademarks - Other Trade Names - Other [Member] Trade Names - Other Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax Fair Value, Level 3 investment Gain (Loss) Included in Earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings 4.80% notes, due 2048 FourPointEightZeroPercentNotesMember [Member] FourPointEightZeroPercentNotesMember [Member] Schedule of Indefinite-Lived Intangible Assets [Table Block] Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Award Type [Domain] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Award Type [Domain] 4.25% notes, due 2021 Four point twenty-five percent Notes [Member] Four point twenty-five percent Notes [Member] Local Phone Number Local Phone Number Exercisable at end of period, Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Other Other noncash income (expense), Cash Flow Statement Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other. Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Preferred stock; authorized 40 shares; none issued Preferred Stock, Value, Issued Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Earnings Retained In The Business [Member] Retained Earnings [Member] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Debt, Long-term and Short-term, Combined Fair Value Debt Instrument, Fair Value Disclosure Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Deferred Tax Liabilities, Leasing Arrangements Deferred Tax Liabilities, Leasing Arrangements Debt Securities [Member] Debt Securities [Member] LLC ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Real Estate Funds [Member] Real Estate Funds [Member] Summary of Stock-based Compensation Expense [Table Text Block] Summary of Stock-based Compensation Expense [Table Text Block] Tabular disclosure of stock-based compensation expense and tax-related benefits. Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Total comprehensive income (loss), after-tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Implementation Costs and Other Related Costs [Member] Implementation Costs and Other Related Costs [Member] Implementation Costs and Other Related Costs Tax Period [Domain] Tax Period [Domain] Finance Lease, Principal Payments Finance Lease, Principal Payments April 24, 2020 Debt Issuance Proceeds [Member] April 24, 2020 Debt Issuance [Member] April 24, 2020 Debt Issuance Short-term repayments, including commercial paper and revolving line of credit Repayments of Short-term Debt Trade Names - Kettle Trade Names - Kettle [Member] Trade Names - Kettle Net earnings attributable to Campbell Soup Company Earnings Per Share, Basic Sublease Income Sublease Income Nonvested, Units Nonvested at beginning of period, Units Nonvested at end of period, Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Geographic Concentration Risk Geographic Concentration Risk [Member] Per Share - Assuming Dilution Earnings Per Share, Diluted [Abstract] SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Liability, Defined Benefit Pension Plan, Noncurrent Liability, Defined Benefit Pension Plan, Noncurrent Pensions Pensions Assets for Plan Benefits, Defined Benefit Plan Machinery and Equipment [Member] Machinery and Equipment [Member] Commercial Paper [Member] Commercial Paper [Member] Deferred Tax Liabilities, Net Deferred Tax Liabilities, Net Other Other Noncash Income (Expense) Other Noncash Income (Expense) Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Deferred Tax Liabilities, Property, Plant and Equipment Deferred Tax Liabilities, Property, Plant and Equipment Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Accounts receivable, net Accounts receivable, net Receivables, Net, Current Reclassification of currency translation adjustments realized upon disposal of business, after-tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Meals & Beverages [Member] Meals & Beverages [Member] Meals & Beverages [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Entity Voluntary Filers Entity Voluntary Filers Divestiture SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] 4.15% notes, due 2028 FourPointOneFivePercentNotesMember [Member] FourPointOneFivePercentNotesMember [Member] Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation Plan Name [Axis] Plan Name [Axis] Fixed Income Funds [Member] Fixed Income Funds [Member] Discontinued Operations Discontinued Operations, Policy [Policy Text Block] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Defined Benefit Plan, Plan Assets, Investment within Plan Asset Category, Amount Defined Benefit Plan, Plan Assets, Other items to reconcile to fair value of plan assets, amount Defined Benefit Plan, Plan Assets, Other items to reconcile to fair value of plan assets, amount Entity Small Business Entity Small Business Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Equity Securities , Non-US [Member] Defined Benefit Plan, Equity Securities, Non-US [Member] Statement, Scenario [Axis] Scenario [Axis] Scenario [Axis] Accounts receivable Increase (Decrease) in Accounts and Other Receivables Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Derivative Liability, Current Derivative Liability, Current Schedule Of Changes In Cash-Flow Hedges In Other Comprehensive Income (Loss) [Table Text Block] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Entity Interactive Data Current Entity Interactive Data Current Long-term Debt, Maturities, Repayments of Principal after Year Five Long-Term Debt, Maturity, after Year Five Finite-Lived Intangible Asset, Expected Amortization, Year Four Finite-Lived Intangible Asset, Expected Amortization, Year Four Supplemental Financial Information Data Additional Financial Information Disclosure [Text Block] Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Foreign currency translation adjustments, tax benefit (expense) OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax TSR Performance Restricted Stock/Units [Member] T S R Performance Restricted Stock Units [Member] T.S.R. Performance Restricted Stock Units [Member] Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Liability, Uncertain Tax Positions, Noncurrent Liability for Uncertainty in Income Taxes, Noncurrent Balance Sheet Location [Domain] Balance Sheet Location [Domain] Total comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Snacks [Member] Snacks [Member] Snacks [Member] 2005 Long Term Incentive Plan [Member] Two Thousand Five Long Term Incentive Plan [Member] Two Thousand Five Long Term Incentive Plan [Member] Unrecognized Tax Benefits Unrecognized Tax Benefits Unrecognized Tax Benefits Deferred Tax Assets, Gross Deferred Tax Assets, Gross Income Tax Authority [Domain] Income Tax Authority [Domain] Net periodic benefits expense (income), other than the service cost Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Address, State or Province Entity Address, State or Province Top Five Customers [Member] Top Five Customers [Member] Top Five Customers [Member] Accrued Balance at beginning of period Accrued Balance at end of period Restructuring Reserve Disposal Group, Including Discontinued Operation, Operating Income (Loss) Disposal Group, Including Discontinued Operation, Operating Income (Loss) Accrued Marketing Costs, Current Accrued Marketing Costs, Current Current liabilities Liabilities, Current [Abstract] Administrative expenses General and Administrative Expense Restructuring Plan [Domain] Restructuring Plan [Domain] Exercisable at end of period, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Equity Securities [Member] Equity Securities [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Defined Benefit Plan, Expected Future Benefit Payment, Year Four Defined Benefit Plan, Expected Future Benefit Payment, Year Four Debt Security, Government, Non-US [Member] Debt Security, Government, Non-US [Member] Outstanding at end of period, Weighted-Average Remaining Contractual Life (In years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Derivative Instrument Risk [Axis] Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Current Federal Tax Expense (Benefit) Current Federal Tax Expense (Benefit) Operating Lease, Liability Operating Lease, Liability Document Transition Report Document Transition Report Capital stock, $.0375 par value; authorized 560 shares; issued 323 shares Common Stock, Value, Issued Finance Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Weighted-average remaining service period, years Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Nonvested, Weighted-Average Grant-Date Fair Value Nonvested at beginning of period, Weighted-Average Grant-Date Fair Value Nonvested at end of period, Weighted-Average Grant-Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Customer Concentration Risk [Member] Customer Concentration Risk [Member] Equity Funds [Member] Equity Funds [Member] Schedule of Supplemental Cash Flow Information Related to Leases [Table] Schedule of Supplemental Cash Flow Information Related to Leases [Table Text Block] Schedule of Supplemental Cash Flow Information Related to Leases Sales of businesses, net of cash divested Proceeds from Divestiture of Businesses, Net of Cash Divested Proceeds from Divestiture of Businesses, Net of Cash Divested Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Right-of-Use Asset, Amortization Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Beginning Balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Ending Balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Debt Instrument, Maturity Date Debt Instrument, Maturity Date Schedule Of Share Based Payment Award Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Other Assets, Noncurrent [Table Text Block] Schedule of Other Assets, Noncurrent [Table Text Block] Deferred Foreign Income Tax Expense (Benefit) Deferred Foreign Income Tax Expense (Benefit) Actual Returns Sales Returns The aggregate refunds recognized during an accounting period due to goods returned by customers (other than under warranty provisions). Returns are a deduction from gross revenue in arriving at net revenue. Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Goodwill [Line Items] Goodwill [Line Items] Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Reclassification of prior service credit included in net earnings, after-tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Variable Interest Rate Senior Term Loan due 2021 [Member] Variable Interest Rate Senior Term Loan due 2021 [Member] Variable Interest Rate Term Loan due 2021 [Member] Interest Costs Incurred Interest Costs Incurred Maximum Length of Contract Maturity Maximum Length of Time Hedged in Price Risk Cash Flow Hedge Income Tax Authority [Axis] Income Tax Authority [Axis] Operating Loss Carryforward [Domain] Operating Loss Carryforward [Domain] Operating Loss Carryforward Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Dividends per share Common Stock, Dividends, Per Share, Declared Accrued liabilities Accrued liabilities Accrued Liabilities, Current Variable Interest Rate due 2021 [Member] Variable Interest Rate due 2021 [Member] Variable Interest Rate due 2021 [Member] Inventory, finished products Inventory, Finished Goods, Net of Reserves Share-based Payment Arrangement, Option [Member] Share-based Payment Arrangement, Option [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Equity [Abstract] Equity [Abstract] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Disposal Groups, Condensed Cash Flow Statement [Table Text Block] Disposal Groups, Including Discontinued Operations, Cash Flow [Table Text Block] Disposal Groups, Including Discontinued Operations, Cash Flow [Table Text Block] Beverages [Member] Beverages [Member] Beverages [Member] Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Segment Information Segment Reporting Disclosure [Text Block] Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Percent Of Employer Match For Next 1% of Employee Contribution [Member] Percent Of Employer Match For Next 1% Of Employee Contribution [Member] Percent Of Employer Match For Next 1% Of Employee Contribution [Member] Disclosure Text Block Supplement [Abstract] Disclosure Text Block Supplement [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Property, Plant and Equipment [Abstract] Additional Paid-In Capital [Member] Additional Paid-in Capital [Member] Repayments of Debt Repayments of Debt Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Corporate Bonds, US [Member] Debt Security, Corporate, US [Member] Proceeds from Lines of Credit Proceeds from Lines of Credit Strategic Performance Restricted Stock Units [Member] Strategic Performance Restricted Stock Units [Member] Strategic performance restricted stock units [Member] Other expenses / (income) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Payments for (Proceeds from) Other Investing Activities Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Maximum [Member] Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Inventory, raw materials, containers and supplies Inventory, Raw Materials, Net of Reserves Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Liabilities [Table Text Block] Award Type [Axis] Award Type [Axis] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Lessee, Operating Lease, Liability, Maturity Lessee, Operating Lease, Liability, Maturity [Table Text Block] Total Campbell Soup Company shareholders' equity Stockholders' Equity Attributable to Parent Deferred compensation obligation Obligations, Fair Value Disclosure City Area Code City Area Code Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Exercisable at end of period, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Derivatives Designated As Hedges [Member] Designated as Hedging Instrument [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other Assets, Miscellaneous, Noncurrent Other Assets, Miscellaneous, Noncurrent Sales of route businesses Proceeds from Sale of Intangible Assets Other Cost Savings Implementation Costs [Member] Other Cost Savings Implementation Costs [Member] Other cost savings implementation costs Treasury stock purchases Payments for Repurchase of Common Stock Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life 401K Plan [Domain] 401K Plan [Domain] 401K Plan [Domain] Statement [Line Items] Equity, Class of Treasury Stock [Line Items] Land Land Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Finance Lease, Liability, Payment, Due Finance Lease, Liability, Payment, Due Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense Cash Flow hedges Tax Benefit/Expense Current Income Tax Expense (Benefit) Current Income Tax Expense (Benefit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Short-term borrowings, including commercial paper and revolving line of credit Proceeds from Short-term Debt Share-based Payment Arrangement, Expense, Tax Benefit Tax-related benefits Share-based Payment Arrangement, Expense, Tax Benefit Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Lessee, Operating Lease, Term of Contract Lessee, Operating Lease, Term of Contract Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Finance Lease, Liability Finance Lease, Liability Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Deferred Tax Liabilities, Gross Deferred Tax Liabilities, Gross Defined Contribution Plan, Employer Matching Contribution, Percent of Match Defined Contribution Plan, Employer Matching Contribution, Percent of Match Share Repurchase Program [Axis] Share Repurchase Program [Axis] Income Statement [Abstract] Income Statement [Abstract] Entity Registrant Name Entity Registrant Name Deductions SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Long Term Debt And Finance Lease Obligations Aggregate Long Term Debt And Finance Lease Obligations Aggregate Long Term Debt And Finance Lease Obligations Aggregate. Includes the current portion of debt. Real Estate [Member] Real Estate [Member] European Chips Business [Member] European Chips Business [Member] European Chips Business [Member] Taxes on earnings Taxes on earnings Income Tax Expense (Benefit) Income Tax Expense (Benefit) Other Commitments [Domain] Other Commitments [Domain] Goodwill, Other Increase (Decrease) Goodwill, Other Increase (Decrease) Accounts receivable, net current Accounts Receivable, after Allowance for Credit Loss, Current Defined Benefit Plan, Expected Future Benefit Payment, Year Three Defined Benefit Plan, Expected Future Benefit Payment, Year Three Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Tax Identification Number Entity Tax Identification Number Hedge Funds [Member] Hedge Funds [Member] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Other comprehensive income (loss), before tax [Abstract] Other Comprehensive Income (Loss), before Tax [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Total current assets Assets, Current Operating Leases, Future Minimum Payments Due Lessee, Operating Lease, Liability, to be Paid Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Forfeited, Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Stock-based Compensation, Policy Share-based Payment Arrangement [Policy Text Block] Transition service fees Other Nonoperating Income Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Fair Value Measurement, Policy Fair Value Measurement, Policy [Policy Text Block] Long-term Debt, Current Maturities Long-term Debt, Current Maturities Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Restructuring Plan [Axis] Restructuring Plan [Axis] Finance Lease, Liability, to be Paid, after Year Five Finance Lease, Liability, Payments, Due in Rolling after Year Five Revenue Benchmark [Member] Revenue Benchmark [Member] Equity Component [Domain] Equity Component [Domain] Deferred Tax Liabilities, Prepaid Expenses Deferred Tax Liabilities, Prepaid Expenses Operating Leases, Future Minimum Payments Due, Next Twelve Months Lessee, Operating Lease, Liability, to be Paid, Year One Disposal Group Name [Domain] Disposal Group Name [Domain] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Line of Credit Facility, Covenant Terms Line of Credit Facility, Covenant Terms Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Other Other Income Commercial Paper Commercial Paper Restructuring and Related Cost, Incurred Cost Restructuring and Related Cost, Incurred Cost Restructuring and Related Cost, Incurred Cost Other Commitment Other Commitment Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Assets Transferred into (out of) Level 3 Schedule of Allocation of Plan Assets [Table Text Block] Schedule of Allocation of Plan Assets [Table Text Block] Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Short-term Investments [Member] Short-term Investments [Member] Schedule of Changes in Projected Benefit Obligations [Table Text Block] Schedule of Changes in Projected Benefit Obligations [Table Text Block] Operating Leases, Future Minimum Payments, Due in Four Years Lessee, Operating Lease, Liability, to be Paid, Year Four Finance Lease, Liability, Current Finance Lease, Liability, Current Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Earnings before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Audit Information [Abstract] Audit Information Auditor Location Auditor Location Lease Disclosure [Text Block] Lease Disclosure [Text Block] The entire disclosure of information about leases. Type of Restructuring [Domain] Type of Restructuring [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Acre Venture Partners [Member] Acre Venture Partners [Member] Acre Venture Partners joint venture Commodity Derivative Contracts [Member] Commodity Contract [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Derivative Asset, Fair Value, Amount Offset Against Collateral Derivative Asset, Fair Value, Amount Offset Against Collateral Title of 12(b) Security Title of 12(b) Security Deferred income taxes Deferred Income Taxes and Tax Credits Capital Stock, Shares Authorized Common Stock, Shares Authorized Restructuring and Related Cost, Expected Cost Allocation Restructuring and Related Cost, Expected Cost Allocation Expected cost to be incurred by segment. Noncontrolling Interest, Period Increase (Decrease) Noncontrolling Interest, Period Increase (Decrease) Document Type Document Type Product and Service [Domain] Product and Service [Domain] Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Less: Net earnings (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Stock-based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Loss from discontinued operations [Member] Discontinued Operations [Member] Revolving Credit Facility Revolving Credit Facility [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Lease, Cost Lease, Cost [Table Text Block] Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] Geographical [Axis] Geographical [Axis] Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate State and Local Jurisdiction [Member] State and Local Jurisdiction [Member] Interest Received Interest Received Interest Received Operating Lease, Right-of-Use Asset, Amortization Expense Operating Lease, Right-of-Use Asset, Amortization Expense Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Interest Expense [Member] Interest Expense [Member] FCF Performance Restricted Stock Units [Member] FCF Performance Restricted Stock Units [Member] FCF Performance Restricted Stock Units [Member] Reclassification of prior service credit included in net earnings, before tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Deferred Tax Assets, Tax Credit Carryforwards, Other Deferred Tax Assets, Tax Credit Carryforwards, Other Capital stock in treasury, at cost Treasury Stock, Value Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Schedule Of Statements Of Earnings Supplemental Disclosures [Table Text Block] Schedule Of Statements Of Earnings Supplemental Disclosures [Table Text Block] Schedule Of Statements Of Earnings Supplemental Disclosures [Table Text Block] Schedule of Leases Reported in Balance Sheet [Table] Schedule of Leases Reported in Balance Sheet [Table Text Block] Schedule of Leases Reported in Balance Sheet Fair Value Measurements Fair Value Disclosures [Text Block] Finance Lease, Liability, Fiscal Year Maturity Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] OCI before tax accumulated derivative gain (loss) OCI before tax accumulated derivative gain (loss) OCI before tax accumulated derivative gain (loss) Accumulated balance, before tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. Restructuring charges Restructuring Charges Restructuring Charges Defined Benefit Plan, Expected Future Benefit Payment [Abstract] Defined Benefit Plan, Expected Future Benefit Payment [Abstract] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Finite-Lived Intangible Asset, Expected Amortization, Year Three Finite-Lived Intangible Asset, Expected Amortization, Year Three Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract] Embedded Derivative Financial Instruments [Member] Embedded Derivative Financial Instruments [Member] June 2021 Program June 2021 Program [Member] June 2021 Program for anti-dilutive share repurchases Restructuring Charges [Abstract] Restructuring Charges [Abstract] Other comprehensive income (loss), tax (expense) benefit [Abstract] Other Comprehensive Income (Loss), Tax [Abstract] Derivative Liability, Fair Value, Amount Offset Against Collateral Derivative Liability, Fair Value, Amount Offset Against Collateral Document Period End Date Document Period End Date Purchases of route businesses Payments to Acquire Intangible Assets Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Reclassification of currency translation adjustments realized upon disposal of business, before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Fair Value, Inputs, Level 1, 2 and 3 [Member] Fair Value, Inputs, Level 1, 2 and 3 [Member] Tax Credit Carryforward, Expiration Date Tax Credit Carryforward, Expiration Date Consolidated Entities [Domain] Consolidated Entities [Domain] Sales Returns and Allowances [Member] Sales Returns and Allowances [Member] Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Deferred State and Local Income Tax Expense (Benefit) Deferred State and Local Income Tax Expense (Benefit) Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Operating Loss Carryforwards, Expiration Date Operating Loss Carryforwards, Expiration Date Income Statement Location [Domain] Income Statement Location [Domain] Investments at fair value Investments, Fair Value Disclosure Reclassification of prior service credit included in net earnings, tax (expense) benefit Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax Trademarks - Snyder's of Hanover [Member] Trade Names - Snyder's of Hanover [Member] Trade Names - Snyder's of Hanover Plant assets, net of depreciation Plant assets, net of depreciation Property, Plant and Equipment, Net Defined Benefit Plan, Information about Plan Assets [Abstract] Defined Benefit Plan, Information about Plan Assets [Abstract] Operating Loss Carryforward [Axis] Operating Loss Carryforward [Axis] Operating Loss Carryforward Finance Lease, Liability, to be Paid, Year Three Finance Lease, Liability, Payments, Due in Rolling Year Three Long-term repayments Repayments of Long-term Debt Repayments of Long-term Debt Earnings Per Share [Abstract] Earnings Per Share [Abstract] Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax (Benefit) Expense Accumulated Other Comprehensive Income Unamortized Pension And Post Retirement Tax Benefit Expense Unamortized Pension and Post-Retirement, Tax Benefit/Expense Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Net sales Revenues Other Comprehensive Income Reclassifications Current Period Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Trademarks [Member] Trademarks [Member] 3.65% notes, due 2023 ThreePointSixFivePercentNotesMember [Member] ThreePointSixFivePercentNotesMember [Member] Disposal Groups, Results of Operations [Table Text Block] Disposal Groups, Including Discontinued Operations, Income Statement [Table Text Block] Disposal Groups, Including Discontinued Operations, Income Statement [Table Text Block] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Earnings (loss) from discontinued operations Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Beginning of period, Weighted-Average Exercise Price End of period, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Costs and expenses Costs and Expenses [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Entity Current Reporting Status Entity Current Reporting Status Defined Benefit Plan, Plan Assets, Amount Defined Benefit Plan, Plan Assets, Amount Defined Benefit Plan, Plan Assets, Amount Defined Benefit Plan, Plan Assets, Amount Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] Customer accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Short-term borrowings Debt, Current Debt, Current Amortization of debt issuance costs/debt discount Amortization of Debt Issuance Costs Plum Baby Plum Baby [Member] Plum Baby Capital stock, shares Capital stock, shares Shares, Issued Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] UNITED STATES UNITED STATES Employee Benefits And Deferred Compensation Payments Employee Benefits And Deferred Compensation Payments Payments related to employee benefits and deferred compensation, such as unfunded pension benefit payments, other postretirement benefit payments, and payments of deferred compensation. Variable Interest Entity Disclosure [Text Block] Variable Interest Entity Disclosure [Text Block] Leases [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Income Taxes Income Tax, Policy [Policy Text Block] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Weighted average shares outstanding - assuming dilution Weighted Average Number of Shares Outstanding, Diluted Income (Loss) from Continuing Operations before Income Taxes, Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Earliest Tax Year [Member] Earliest Tax Year [Member] Taxes on Earnings Income Tax Disclosure [Text Block] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax [Abstract] Schedule Of Stock Option Activity [Table Text Block] Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Derivatives Not Designated As Hedges [Member] Not Designated as Hedging Instrument [Member] Credit Facility [Axis] Credit Facility [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Entity Address, Address Line One Entity Address, Address Line One Restructuring Reserve, Noncurrent Restructuring Reserve, Noncurrent Interest paid Interest Paid, Including Capitalized Interest, Operating and Investing Activities Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] General and Administrative Expense [Member] General and Administrative Expense [Member] Entity Shell Company Entity Shell Company Schedule of Short-term Debt [Table Text Block] Schedule of Short-term Debt [Table Text Block] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Expected term, years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Total current liabilities Liabilities, Current Payments related to tax withholding for stock-based compensation Payment, Tax Withholding, Share-based Payment Arrangement Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Increase (Decrease) in Other Cash Operating Activities, Cash Flow Statement Increase Decrease in Other Cash Operating Activities, Cash Flow Statement The increase (decrease) during the reporting period in the amount of Other Cash Operating Activities, Cash Flow Statement Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Statement [Table] Statement [Table] Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Deferred Tax Assets, Other Deferred Tax Assets, Other Other Commitments [Axis] Other Commitments [Axis] Defined Benefit Plan, Expected Future Benefit Payment, Year Five Defined Benefit Plan, Expected Future Benefit Payment, Year Five Remaining unearned compensation on nonvested awards Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Weighted Average Lease Information [Table] Weighted Average Lease Information [Table Text Block] Weighted Average Lease Information Derivatives Not Designated as Hedging Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Statistical Measurement [Axis] Statistical Measurement [Axis] Finance Lease, Liability, Noncurrent Finance Lease, Liability, Noncurrent Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Goodwill Beginning Balance Ending Balance Goodwill Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] Trademarks - Lance Trade Names - Lance [Member] Trade Names - Lance Schedule of Goodwill [Table Text Block] Schedule of Goodwill [Table Text Block] Adjustments to reconcile net earnings to operating cash flow Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Scenario [Domain] Scenario [Domain] Pension and postretirement benefit expense (income) Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Schedule Of The Fair Value Of Derivative Instruments [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Operating Lease, Cost Operating Lease, Cost Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Authorized amount for shares repurchase Stock Repurchase Program, Authorized Amount Hedging Designation [Domain] Hedging Designation [Domain] Unrealized Gain (Loss) on Commodity Contracts Unrealized Gain (Loss) on Commodity Contracts Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Fair Value Hierarchy and NAV [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Net earnings attributable to Campbell Soup Company Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Pension and Other Postretirement Plans, Policy Pension and Other Postretirement Plans, Policy [Policy Text Block] Derivative Financial Instruments Derivatives, Reporting of Derivative Activity [Policy Text Block] Deferred Tax Assets, Operating Loss Carryforwards Deferred Tax Assets, Operating Loss Carryforwards Employee-related Liabilities, Current Employee-related Liabilities, Current Defined Benefit Plan, Interest Cost Defined Benefit Plan, Interest Cost Defined Benefit Plan, Interest Cost Document and Entity Information [Abstract] Document and Entity Information Income Statement Location [Axis] Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Income Statement Location [Axis] Interest Rate Contract [Member] Interest Rate Contract [Member] Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Offsetting Assets [Table Text Block] Offsetting Assets [Table Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Additional paid-in capital Additional Paid in Capital, Common Stock Restructuring Type [Axis] Restructuring Type [Axis] Other assets Other assets Other Assets, Noncurrent Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Segments [Axis] Segments [Axis] Segments [Axis] Trademarks - Pace [Member] Trade Names - Pace [Member] Trade Names - Pace [Member] Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Snacks [Member] Baked Snacks [Member] Baked Snacks [Member] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Percentage Of Actual Returns Percentage Of Actual Returns Percentage Of Actual Returns - sales returns divided by net sales. Entity File Number Entity File Number Debt Instrument, Redemption Price, Percentage Debt Instrument, Redemption Price, Percentage Terminated, Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] General Discussion of Derivative Instruments and Hedging Activities [Abstract] General Discussion of Derivative Instruments and Hedging Activities [Abstract] Replaced Revolving Credit Facility Replaced Revolving Credit Facility [Member] Replaced Revolving Credit Facility Other Current Assets [Member] Other Current Assets [Member] Variable Lease, Cost Variable Lease, Cost Long-term debt Long-term Debt and Lease Obligation Long-term Debt and Lease Obligation Total Commitment [Member] Total Commitment [Member] Total Commitment [Member] Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] Building [Member] Building [Member] Dividends payable Dividends Payable, Current us-gaap_MarginDepositLiabilities us-gaap_MarginDepositLiabilities The amount of cash or securities received from a broker or counterparty as collateral for a trading or derivatives securities position which was partially obtained with funds received from the broker dealer. Granted, Weighted-Average Grant-Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Fair value of restricted units and shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Municipal Bonds [Member] Municipal Bonds [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Liability, Defined Benefit Plan, Noncurrent Liability, Defined Benefit Plan, Noncurrent Amount of (Gain) or Loss Recognized in Earnings on Derivatives Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Share Repurchase Program [Domain] Share Repurchase Program [Domain] Effective Income Tax Rate Reconciliation, Legal entity reorganization, Percent Effective Income Tax Rate Reconciliation, Legal entity reorganization, Percent Effective Income Tax Rate Reconciliation, Legal entity reorganization, Percent Credit Facility [Domain] Credit Facility [Domain] Subsegments [Axis] Subsegments [Axis] Long-term Debt, Maturities, Repayments of Principal in Year Three Long-Term Debt, Maturity, Year Three Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted, Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Research and development expenses Research and Development Expense (Excluding Acquired in Process Cost) Concentration Risk, Percentage Entity Wide Revenue, Major Customer, Percentage Of Net Sales Concentration Risk, Percentage Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Beginning of year, Options End of year, Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number TSR Performance Restricted Stock Units [Table Text Block] Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block] Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Debt Instrument [Axis] Debt Instrument [Axis] Advertising Production Costs Advertising Cost [Policy Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate Issuance of Debt, Amount Issuance of Debt, Amount Portion of the amount of long-term debt issued. Additional Match for Employees Not Eligible To Participate In Defined Benefit Plans [Member] Employees Not Eligible To Participate In Defined Benefit Plans Employer Contribution To Defined Contribution Plan Regardless Of Employee Participation [Member] Employees Not Eligible To Participate In Defined Benefit Plans Employer Contribution To Defined Contribution Plan Regardless Of Employee Participation [Member] Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operation, Tax Effect of Discontinued Operation Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Other Noncurrent Liabilities [Table Text Block] Other Noncurrent Liabilities [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Other current assets Increase (Decrease) in Other Current Assets Other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax 2015 and Snyder's-Lance Initiatives [Member] Two Thousand Fifteen and Snyder's-Lance Initiatives [Member] Two Thousand Fifteen and, as of 2018, Snyder's-Lance Initiatives [Member] Net loss (gain) on sales of businesses Loss on sales of businesses Loss on sales of businesses Gain (Loss) on Disposition of Business Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] US Treasury and Government [Member] US Treasury and Government [Member] Operating Leases, Future Minimum Payments, Due in Three Years Lessee, Operating Lease, Liability, to be Paid, Year Three Latest Tax Year [Member] Latest Tax Year [Member] SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Accumulated Other Comprehensive Income Foreign Currency Translation Tax (Benefit) Expense Accumulated Other Comprehensive Income Foreign Currency Translation Tax Benefit Expense Foreign Currency Translation Tax Benefit/Expense Long-term Debt, Maturities, Repayments of Principal in Year Five Long-Term Debt, Maturity, Year Five Defined Contribution Plan, Cost Defined Contribution Plan, Cost Number of bank loans guaranteed related to independent contractor distributors Number of bank loans guaranteed related to independent contractor distributors Number of bank loans guaranteed related to independent contractor distributors Machinery and Equipment, Gross Machinery and Equipment, Gross Cash Discounts [Member] Cash Discounts [Member] The amount of sales revenue which the Entity expects that it will not receive because customers may pay a reduced price if they make their payment within a certain timeframe offered by the Entity. Margin Deposit Assets Margin Deposit Assets Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Maximum Remaining Maturity of Foreign Currency Derivatives Maximum Remaining Maturity of Foreign Currency Derivatives Operating Lease, Payments Operating Lease, Payments Research and Development Costs Research and Development Expense, Policy [Policy Text Block] Other Expenses/Income [Member] Other Operating Income (Expense) [Member] Long-term Debt, Gross Long-term Debt, Gross 401K Plan [Axis] 401K Plan [Axis] 401K Plan [Axis] Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Sold Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Sold Earnings from continuing operations attributable to Campbell Soup Company Income (Loss) from Continuing Operations, Per Diluted Share Finance Lease, Right-of-Use Asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Total assets at fair value Assets, Fair Value Disclosure Other Other Other Operating Activities, Cash Flow Statement Accrued Liabilities [Abstract] Total liabilities and equity Liabilities and Equity Other Accrued Liabilities, Current Other Accrued Liabilities, Current Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Earnings (loss) from discontinued operations Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Operating Leases, Future Minimum Payments, Due in Five Years Lessee, Operating Lease, Liability, to be Paid, Year Five Exercised, Weighted-Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Defined Benefit Plan, Plan Assets, Benefits Paid Defined Benefit Plan, Plan Assets, Benefits Paid Share-based Payment Arrangement, Exercise of Option, Tax Benefit Share-based Payment Arrangement, Exercise of Option, Tax Benefit Derivative Financial Instruments, Liabilities [Member] Derivative Financial Instruments, Liabilities [Member] Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Earnings Per Share Earnings Per Share [Text Block] Treasury stock purchased, value Shares repurchased, value Treasury Stock, Value, Acquired, Cost Method Defined Benefit Plan, Expected Future Benefit Payment, Year Two Defined Benefit Plan, Expected Future Benefit Payment, Year Two Minimum [Member] Minimum [Member] Operating Leases, Future Minimum Payments, Due in Two Years Lessee, Operating Lease, Liability, to be Paid, Year Two Total liabilities at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Terminated, Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate September 2021 Program September 2021 Program [Member] September 2021 Program Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Other Assets, Noncurrent [Abstract] Other Assets, Noncurrent [Abstract] Long-term Debt, Maturities, Repayments of Principal in Year Four Long-Term Debt, Maturity, Year Four Revenue Recognition Revenue [Policy Text Block] Short-term Borrowings and Long-term Debt Debt Disclosure [Text Block] Accumulated Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Stock-based Compensation Share-based Payment Arrangement [Text Block] 3.95% notes, due 2025 ThreePointNineFivePercentNotesMember [Member] ThreePointNineFivePercentNotesMember [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Dividends paid Payments of Ordinary Dividends, Common Stock Leases Lessee, Leases [Policy Text Block] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Additional Product Information for Net Sales [Table Text Block] Revenue from External Customers by Products and Services [Table Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other Postretirement Benefit Plans, Defined Benefit [Member] Other Postretirement Benefit Plan, Defined Benefit [Member] Other Postretirement Benefits Plan [Member] Commitments and contingencies Commitments and Contingencies Accumulated other comprehensive income (loss) Beginning Balance Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Emerging Growth Company Entity Emerging Growth Company Allowances Accounts Receivable, Allowance for Credit Loss, Current Class of Treasury Stock [Table] Class of Treasury Stock [Table] Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation (Gain) Loss Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Payments of debt issuance costs Payments of Debt Issuance Costs Receivables [Abstract] Receivables [Abstract] 2.375% notes, due 2030 Two Point Three Seven Five Percent Notes [Member] Two Point Three Seven Five Percent Notes Disposal Group Classification [Axis] Disposal Group Classification [Axis] Other receivables Nontrade Receivables, Current Auditor Name Auditor Name Total costs and expenses Costs and Expenses Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Treasury Stock, Shares Treasury Stock, Shares Treasury Stock, Shares Debt, Long-term and Short-term, Combined Amount Debt, Long-term and Short-term, Combined Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Operating Activities [Domain] Operating Activities [Domain] 8.875% notes, due 2021 Eight Point Eighty-Eight Percent Debentures [Member] Eight Point Eighty-Eight Percent Debentures [Member] Finance Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability, Undiscounted Excess Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax [Abstract] Payments for Restructuring Cash Payments Payments for Restructuring Capital Stock Issued [Member] Common Stock [Member] Interest income Investment Income, Interest Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Earnings before interest and taxes Earnings before interest and taxes Operating Income (Loss) Deferred Compensation Investment [Member] Deferred Compensation Investment [Member] Deferred Compensation Investment [Member] Operating Lease, Liability, Current Operating Lease, Liability, Current 3.30% notes, due 2021 ThreePointThreeZeroPercentNotesMember [Member] ThreePointThreeZeroPercentNotesMember [Member] Finite-Lived Intangible Asset, Expected Amortization, Year Two Finite-Lived Intangible Asset, Expected Amortization, Year Two Hedging Designation [Axis] Hedging Designation [Axis] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Long-term Debt [Member] Long-term Debt [Member] Restructuring Charges Restructuring and Related Activities Disclosure [Text Block] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation Depreciation 2.50% notes, due 2023 Two Point Five Percent Notes [Member] Interest rate stated in the contractual debt agreement Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Capital Stock In Treasury [Member] Treasury Stock [Member] 3.80% notes, due 2043 Three Point Eight Zero Percent Notes [Member] Three Point Eight Zero Percent Notes [Member] Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Time-Lapse Restricted Stock Units, EPS CAGR Performance Restricted Stock Units, FCF Performance Restricted Stock Units, and EPS Performance Restricted Stock Units[Table Text Block] Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Time Lapse, EPS CAGR Performance, FCF Performance, and EPS Performance Restricted Stock Units [Member] Time Lapse, EPS CAGR Performance, FCF Performance, and EPS Performance Restricted Stock Units [Member] Time Lapse, EPS CAGR Performance, FCF Performance, and EPS Performance Restricted Stock Units [Member] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Derivative, Notional Amount Derivative, Notional Amount Defined Benefit Plan, Benefits Paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Purchases of plant assets Purchases of plant assets Payments to Acquire Property, Plant, and Equipment Tax Credit Carryforward, Valuation Allowance Tax Credit Carryforward, Valuation Allowance Property, Plant and Equipment [Member] Property, Plant and Equipment [Member] Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Accumulated Benefit Obligation Defined Benefit Plan, Accumulated Benefit Obligation Total liabilities Liabilities Payments related to extinguishment of debt Payments related to extinguishment of debt Payment for Debt Extinguishment or Debt Prepayment Cost Restructuring Charges [Member] Restructuring Charges [Member] Finite-Lived Intangible Asset, Expected Amortization, Year One Finite-Lived Intangible Asset, Expected Amortization, Year One Granted, Weighted-Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Outstanding at end of period, Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Operating Loss Carryforwards Operating Loss Carryforwards Other Non Cash Exit Costs [Member] Other Non Cash Exit Costs [Member] Other Non Cash Exit Costs [Member] Common Stock, Shares, Issued Common Stock, Shares, Issued Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Preferred Stock, Shares Issued Preferred Stock, Shares Issued Campbell International [Member] Campbell International [Member] International business made up of the Kelsen business, Arnott's businesa and certain other international operations, including the simple meals and shelf-stable veverages business in Australia and Asia Pacific. Defined Benefit Plan, Assumptions [Table Text Block] Defined Benefit Plan, Assumptions [Table Text Block] Entity Address, City or Town Entity Address, City or Town Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Schedule of Expected Benefit Payments [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Notes Payable, Current Notes Payable, Current Components Of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Accumulated Other Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Accrued Liabilities [Member] Accrued Liabilities [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Interest expense Interest Expense Interest Expense Interest Expense Short-term Debt, Weighted Average Interest Rate, at Point in Time Short-term Debt, Weighted Average Interest Rate, at Point in Time Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months Defined Benefit Plan, Expected Future Benefit Payment, Year One Earnings retained in the business Retained Earnings (Accumulated Deficit) Schedule Of Restructuring Charges Associated With Each Reportable Segment Schedule of Restructuring and Related Costs By Segment [Table Text Block] Schedule of Restructuring and Related Costs By Segment [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Entity Filer Category Entity Filer Category Investment losses Investment losses Gain (Loss) on Investments Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Deferred Compensation Liability, Noncurrent Deferred Compensation Cash-based Arrangements, Liability, Classified, Noncurrent Inventory Disclosure [Abstract] Interest Costs Capitalized Adjustment Interest Costs Capitalized Adjustment Repayments of Lines of Credit Repayments of Lines of Credit Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Soup [Member] Soups [Member] Soups [Member] Indefinite-lived Intangible Assets (Excluding Goodwill) Indefinite-lived Intangible Assets (Excluding Goodwill) Treasury stock issuances Cash received from the exercise of stock options Proceeds from Stock Options Exercised Finance Lease, Liability, to be Paid, Year Four Finance Lease, Liability, Payments, Due in Rolling Year Four EPS CAGR Performance Restricted Stock Units [Member] EPS CAGR Performance Restricted Stock Units [Member] EPS CAGR Performance Restricted Stock Units [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Total equity Balance, value Balance, value Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Amendment Flag Amendment Flag Long-term borrowings Proceeds from Issuance of Long-term Debt Statement, Equity Components [Axis] Equity Components [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Loss on Extinguishment of Debt, before Write off of Debt Issuance Cost Gain (Loss) on Extinguishment of Debt, before Write off of Debt Issuance Cost Selling and Marketing Expense [Member] Selling and Marketing Expense [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Inventories Inventories Inventory, Net Schedule Of Segment Reporting [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Deferred Federal Income Tax Expense (Benefit) Deferred Federal Income Tax Expense (Benefit) Foreign currency translation adjustments, after-tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Operating Leases, Future Minimum Payments, Due Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Fair Value, Level 3 Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Valuation Allowance, Deferred Tax Asset, Change in Amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Foreign currency translation adjustments, before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Product and Service [Axis] Product and Service [Axis] Arnott's and International [Member] Arnott's And International [Member] Arnott's and International [Member] Entity Public Float Entity Public Float Treasury Lock [Member] Treasury Lock [Member] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Short-term Lease, Cost Short-term Lease, Cost Treasury stock issued under management incentive and stock option plans, shares Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Marketing and selling expenses Selling and Marketing Expense Statement [Line Items] Statement [Line Items] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Definite Life [Member] Definite Life [Member] Definite Life Benefit related expense Employee Benefit and Share-based Payment Arrangement, Noncash 2005 Long-Term Incentive Plan Rolled into the 2015 Long-Term Incentive Plan Two Thousand Five Long Term Incentive Plan Rolled Into The Two Thousand Fifteen Long-Term Incentive Plan [Member] Two Thousand Five Long-Term Incentive Plan Rolled Into The Two Thousand Fifteen Long-Term Incentive Plan Deferred Tax Assets, Operating lease liability Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Derivative, Collateral, Right to Reclaim Securities or Cash Derivative, Collateral, Right to Reclaim Securities or Cash Derivative, Collateral, Right to Reclaim Securities or Cash Treasury stock issued under management incentive and stock option plans, value Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Retirement Plan Type [Domain] Retirement Plan Type [Domain] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Tax Period [Axis] Tax Period [Axis] Schedule of Health Care Cost Trend Rates [Table Text Block] Schedule of Health Care Cost Trend Rates [Table Text Block] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Net sales Disposal Group, Including Discontinued Operation, Revenue Customer [Axis] Customer [Axis] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Pension And Postretirement Benefits Retirement Benefits [Text Block] Granted, Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Document Annual Report Document Annual Report Forecast [Member] Forecast [Member] Goodwill, Written off Related to Sale of Business Unit Goodwill, Written off Related to Sale of Business Unit Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Effective Income Tax Rate Reconciliation, Disposition of European chips business, Percent Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent 3.30% notes, due 2025 Three Point Three-Zero Percent Notes [Member] Three Point Three-Zero Percent Notes [Member] Total assets Assets Other comprehensive income (loss), tax (expense) benefit Other Comprehensive Income (Loss), Tax Other Liabilities, Noncurrent Other Accrued Liabilities, Noncurrent Time Lapse Restricted Stock Units [Member] Time Lapse Restricted Stock Units [Member] Time Lapse Restricted Stock Units [Member] Plan Name [Domain] Plan Name [Domain] Equity Securities, US [Member] Defined Benefit Plan, Equity Securities, US [Member] Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost Geographical [Domain] Geographical [Domain] Effective Income Tax Rate Reconciliation, Disposition of Business, Percent Effective Income Tax Rate Reconciliation, Disposition of Business, Percent Noncontrolling Interests [Member] Noncontrolling Interest [Member] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Derivative Contract Type [Domain] Derivative Contract [Domain] Other Items To Reconcile To Fair Value Of Plan Assets [Member] Other Items To Reconcile To Fair Value Of Plan Assets [Member] Other items to reconcile to fair value of plan assets [Member] Undistributed Earnings of Foreign Subsidiaries Undistributed Earnings of Foreign Subsidiaries Trademarks - Pacific Foods [Member] Trade Name - Pacific Foods [Member] Trade Name - Pacific Foods [Member] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Tax Credit Carryforward, Amount Tax Credit Carryforward, Amount 2005 Long Term Incentive Plan, Total Shares Authorized, as Amended in 2010 [Member] Two Thousand Five Long Term Incentive Plan, Total Shares Authorized, as Amended in Two Thousand Ten [Member] Two Thousand Five Long Term Incentive Plan, Total Shares Authorized, as Amended in Two Thousand Ten [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Per Share - Basic Earnings Per Share, Basic [Abstract] Corporate Bonds, Non-US [Member] Debt Security, Corporate, Non-US [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Corporate Corporate and Other [Member] Net earnings attributable to Campbell Soup Company Earnings Per Share, Diluted Weighted average shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Line of Credit Facility, Expiration Date Line of Credit Facility, Expiration Date Segments [Domain] Segments [Domain] Derivative, Collateral, Obligation to Return Securities or Cash Derivative, Collateral, Obligation to Return Securities or Cash Derivative, Collateral, Obligation to Return Securities or Cash Gain (Loss) on Disposition of Business, Net of Tax Gain (Loss) on Disposition of Business, Net of Tax Gain (Loss) on Disposition of Business, Net of Tax Defined Benefit Plan, Service Cost Defined Benefit Plan, Service Cost Defined Benefit Plan, Service Cost Income Taxes Paid, Net Income Taxes Paid, Net 3.125% notes, due 2050 Three Point One Two Five Percent Notes [Member] Three Point One Two Five Percent Notes Investments funded Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Defined Benefit Plan, Actuarial Gain (Loss) Defined Benefit Plan, Actuarial (Gain) Loss Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit Trade Names - Carrying Value With 10% or less excess fair value coverage Trade Names - Carrying Value With 10% or less excess fair value coverage [Member] Trade Names - Carrying Value With 10% or less excess fair value coverage Deferred Compensation Obligation [Member] Deferred Compensation Obligation [Member] DeferredCompensationObligationMember Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Other intangible assets, net of amortization Intangible Assets, Net (Excluding Goodwill) Total comprehensive income (loss) attributable to Campbell Soup Company Comprehensive Income (Loss), Net of Tax, Attributable to Parent Severance Pay And Benefits [Member] Employee Severance [Member] Restructuring Reserve, Current Restructuring Reserve, Current Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate Other comprehensive income (loss), after-tax [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Deferred taxes Deferred Income Tax Liabilities, Net Other Liabilities [Member] Other Noncurrent Liabilities [Member] Earnings from continuing operations attributable to Campbell Soup Company Income (Loss) from Continuing Operations, Per Basic Share Line of Credit Facility Utilized Borrowing Capacity Line Of Credit Facility Utilized Borrowing Capacity Amount of borrowing capacity currently utilized under the credit facility. Earnings (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Earnings (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Other Simple Meals [Member] Simple Meals [Member] Simple Meals [Member] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract] Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract] Subsegments [Domain] Subsegments [Domain] Payable to suppliers and others Accounts Payable, Current Wal-Mart Stores, Inc. [Member] Wal-Mart Stores, Inc. [Member] Wal-Mart Stores, Inc. [Member] Depreciation and amortization Depreciation, Depletion and Amortization Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Fair Value, Assets And Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Inventories Increase (Decrease) in Inventories Schedule ofPre-Tax Charge And Remaining Costs [Table] Restructuring and Related Costs [Table Text Block] Continuing Operations [Member] Continuing Operations [Member] Cost of products sold Cost of Goods and Services Sold Cost of Goods and Services Sold Restructuring and Related Activities [Abstract] Proceeds from Divestiture of Businesses Proceeds from Divestiture of Businesses Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract] Entity Central Index Key Entity Central Index Key Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] OCI, before Reclassifications, before Tax, Attributable to Parent OCI, before Reclassifications, before Tax, Attributable to Parent Acquired Indefinite-lived Intangible Assets [Line Items] Acquired Indefinite-lived Intangible Assets [Line Items] Proceeds from sale of investment Proceeds from Divestiture of Interest in Consolidated Subsidiaries 2005 Long Term Incentive Plan, Total Shares Authorized, as Amended In 2008 [Member] Two Thousand Five Long Term Incentive Plan, Total Shares Authorized, as Amended in Two Thousand Eight [Member] Two Thousand Five Long Term Incentive Plan, Total Shares Authorized, as Amended in Two Thousand Eight [Member] Payment for Debt Extinguishment, Net Payment for Debt Extinguishment, Net Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fees paid to lender directly for debt extinguishment or debt prepayment net of proceeds received from derivatives entered into to hedge the interest payment rate. Excludes accrued interest and includes any gains or losses on hedges associated with the extinguished debt Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Lease, Cost Lease, Cost Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Campbell Soup Company shareholders' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Customer Relationships [Member] Customer Relationships [Member] Other liabilities Other liabilities Other Liabilities, Noncurrent Operating Activities [Axis] Operating Activities [Axis] Defined Benefit Plan, Benefit Obligation Defined Benefit Plan, Benefit Obligation Defined Benefit Plan, Benefit Obligation Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Long-term Debt Instruments [Table Text Block] Treasury stock purchased, shares Treasury stock purchased, shares Treasury Stock, Shares, Acquired Debt Instrument [Line Items] Debt Instrument [Line Items] Trading Symbol Trading Symbol Derivative assets at fair value Derivative Asset Deferred Tax Liabilities, Other Deferred Tax Liabilities, Other Effective Income Tax Rate Reconciliation, Capital loss on Disposition of Business, Percent Effective Income Tax Rate Reconciliation, Capital loss on Disposition of Business, Percent Effective Income Tax Rate Reconciliation, Capital loss on Disposition of Business, Percent Net (gain) loss on sales of discontinued operations businesses Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Derivative Financial Instruments, Assets [Member] Derivative Financial Instruments, Assets [Member] Capital Loss Carryforward [Member] Capital Loss Carryforward [Member] Snyder's-Lance Cost Transformation Program and Integration Snyder's-Lance Cost Transformation Program and Integration [Member] Snyder's-Lance Cost Transformation Program and Integration Schedule of Goodwill [Table] Schedule of Goodwill [Table] Share-based Payment Arrangement, Expense Total pre-tax stock-based compensation expense Share-based Payment Arrangement, Expense Exercisable at end of period, Weighted-Average Remaining Contractual Life (In years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term EPS Performance Restricted Stock Units - Granted Prior to 2022 EPS Performance Restricted Stock Units - Granted Prior to 2022 [Member] EPS Performance Restricted Stock Units - Granted Prior to 2022 Defined Benefit Plan, Plan Assets, Payment for Settlement Defined Benefit Plan, Plan Assets, Payment for Settlement Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Net earnings Net earnings Net earnings (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest FCF Performance Restricted Stock Units Additional Shares FCF Performance Restricted Stock Units Additional Shares [Member] FCF Performance Restricted Stock Units Additional Shares Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] 2015 Long-Term Incentive Plan [Member] Two Thousand Fifteen Long-Term Plan [Member] Two Thousand Fifteen Long-Term Plan [Member] Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Maximum potential amount of future payments Guarantor Obligations, Maximum Exposure, Undiscounted Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Current assets Assets, Current [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Liability, Other Retirement Benefits, Noncurrent Liability, Other Retirement Benefits, Noncurrent Exercised, Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Other comprehensive income (loss), after tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Measured On Recurring Basis [Member] Fair Value, Recurring [Member] Interest Payable, Current Interest Payable, Current Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Stockholders' Equity Note Disclosure Stockholders' Equity Note Disclosure [Text Block] Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Finite-Lived Intangible Asset, Expected Amortization, Year Five Finite-Lived Intangible Asset, Expected Amortization, Year Five Other Liabilities, Noncurrent [Abstract] Other Liabilities, Noncurrent [Abstract] Auditor Firm ID Auditor Firm ID Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Changes in working capital, net of divestitures Increase (Decrease) in Operating Capital [Abstract] Vested, Weighted-Average Grant-Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Snyder's-Lance [Member] Snyder's-Lance [Member] Snyder's-Lance [Member] Reclassification of currency translation adjustments realized upon disposal of business, tax benefit (expense) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Deferred Tax Liabilities, Goodwill and Intangible Assets Deferred Tax Liabilities, Goodwill and Intangible Assets Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Foreign currency translation adjustment Goodwill, Foreign Currency Translation Gain (Loss) Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Less cash and cash equivalents discontinued operations - end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Buildings and Improvements, Gross Buildings and Improvements, Gross Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other current assets Other Assets, Current Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Advertising Expense Advertising Expense Asset-backed Securities [Member] Asset-backed Securities [Member] Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Restructuring and Related Cost, Cost Incurred to Date Restructuring and Related Cost, Cost Incurred to Date Asset Impairment Accelerated Depreciation [Member] Asset Impairment Accelerated Depreciation [Member] Asset impairment or accelerated depreciation to write down assets from their carrying value to their fair value associated with exit from or disposal of business activities or restructurings pursuant to a plan. Schedule of Offsetting Liabilities [Table Text Block] Offsetting Liabilities [Table Text Block] Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Derivative, Remaining Maturity Derivative, Remaining Maturity Cash and cash equivalents - beginning of period (including discontinued operations) Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Extinguishment of Debt, Amount Extinguishment of Debt, Amount Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Beginning Balance Ending Balance SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Construction in Progress, Gross Construction in Progress, Gross Deferred Compensation Derivative Contracts [Member] Equity Contract [Member] Cost Of Products Sold [Member] Cost of Sales [Member] Accrued income taxes Accrued Income Taxes, Current Earnings from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Deferred Tax Assets, Capital Loss Carryforwards Deferred Tax Assets, Capital Loss Carryforwards Inventories Inventory, Policy [Policy Text Block] Current Foreign Tax Expense (Benefit) Current Foreign Tax Expense (Benefit) Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract] Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract] Pension Plan, Defined Benefit [Member] Pension Plan [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Gross Amount of Operating Loss Carryforwards with a Full Valuation Allowance [Member] Gross Amount of Operating Loss Carryforwards with a Full Valuation Allowance [Member] Gross Amount of Operating Loss Carryforwards with a Full Valuation Allowance Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table]