Statement of Cash Flows [Abstract]
Statement [Table]
Statement [Table]
Statement, Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Statement [Line Items]
Statement [Line Items]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net earnings
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Adjustments to reconcile net earnings to operating cash flow
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Impairment charges
Asset Impairment Charges
Restructuring charges
Restructuring Charges
Stock-based compensation
Share-based Compensation
Pension and postretirement benefit income
Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash
Depreciation and amortization
Depreciation, Depletion and Amortization
Deferred income taxes
Deferred Income Taxes and Tax Credits
Other, net
Other Noncash Income (Expense)
Changes in working capital
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable
Increase (Decrease) in Accounts and Other Receivables
Inventories
Increase (Decrease) in Inventories
Prepaid assets
Increase (Decrease) in Prepaid Expense
Accounts payable and accrued liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Net receipts from (payments of) hedging activities
Payments Of Receipts From Hedging Activities
The net cash outflow (inflow) associated with derivative instruments, such as swaps, forwards, options, and so forth.
Other
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of plant assets
Payments to Acquire Property, Plant, and Equipment
Purchases of route businesses
Payments to Acquire Intangible Assets
Sales of route businesses
Proceeds from Sale of Intangible Assets
Other, net
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Short-term borrowings
Proceeds from Short-term Debt
Short-term repayments
Repayments of Short-term Debt
Dividends paid
Payments of Ordinary Dividends, Common Stock
Treasury stock purchases
Payments for Repurchase of Common Stock
Payments related to tax withholding for stock-based compensation
Payments Related to Tax Withholding for Share-based Compensation
Payments of debt issuance costs
Payments of Debt Issuance Costs
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes on cash
Effect of Exchange Rate on Cash and Cash Equivalents
Net change in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents - beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents - end of period
Restructuring Charges [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Restructuring Plan [Axis]
Restructuring Plan [Axis]
Restructuring Plan [Domain]
Restructuring Plan [Domain]
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]
Snyder's-Lance Cost Transformation Program and Integration [Member]
Snyder's-Lance Cost Transformation Program and Integration [Member]
Snyder's-Lance Cost Transformation Program and Integration [Member]
Segments [Axis]
Segments [Axis]
Segment [Domain]
Segments [Domain]
Meals and Beverages [Member]
Americas Simple Meals and Beverages [Member]
Americas Simple Meals and Beverages [Member]
Global Biscuits and Snacks [Member]
Global Biscuits and Snacks [Member]
Global Biscuits and Snacks [Member]
Campbell Fresh [Member]
Campbell Fresh [Member]
Campbell Fresh [Member]
Corporate, Non-Segment [Member]
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost
Restructuring and Related Cost, Incurred Cost
Restructuring and Related Cost, Cost Incurred to Date
Restructuring and Related Cost, Cost Incurred to Date
Restructuring Charges
Restructuring and Related Activities Disclosure [Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill [Table Text Block]
Schedule of Goodwill [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Indefinite-Lived Intangible Assets [Table Block]
Schedule of Indefinite-Lived Intangible Assets [Table Text Block]
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2014-09 [Member]
Accounting Standards Update 2014-09 [Member]
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
Equity [Abstract]
Accounting Standards Update 2018-02 [Member]
Accounting Standards Update 2018-02 [Member]
Accounting Standards Update 2018-02 [Member]
Statement, Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Accumulated Translation Adjustment [Member]
Accumulated Foreign Currency Adjustment Attributable to Parent [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 Defined Benefit Plans Adjustment [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption
Cumulative Effect of New Accounting Principle in Period of Adoption
Beginning Balance
Accumulated Other Comprehensive Income (Loss), Net of Tax
Other Comprehensive Income (Loss) Before Reclassifications Net Of Tax
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Other Comprehensive Income Reclassifications Current Period Net of Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Other comprehensive income (loss), after tax
Other Comprehensive Income (Loss), Net of Tax
Ending Balance
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
Accumulated Other Comprehensive Income Cashflow Hedges Tax (Benefit) Expense
Accumulated Other Comprehensive Income Cashflow Hedges Tax Benefit Expense
Cash Flow hedges Tax Benefit/Expense
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
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Derivative Asset, Fair Value, Gross Asset
Derivative Asset, Fair Value, Gross Asset
Derivative, Collateral, Obligation to Return Securities or Cash
Derivative, Collateral, Obligation to Return Securities or Cash
Derivative, Collateral, Obligation to Return Securities or Cash
Derivative Asset, Fair Value, Amount Offset Against Collateral
Derivative Asset, Fair Value, Amount Offset Against Collateral
Derivative Liability, Fair Value, Gross Liability
Derivative Liability, Fair Value, Gross Liability
Derivative, Collateral, Right to Reclaim Securities or Cash
Derivative, Collateral, Right to Reclaim Securities or Cash
Derivative, Collateral, Right to Reclaim Securities or Cash
Derivative Liability, Fair Value, Amount Offset Against Collateral
Derivative Liability, Fair Value, Amount Offset Against Collateral
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Total pre-tax stock-based compensation expense
Allocated Share-based Compensation Expense
Tax-related benefits
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Disclosure Text Block Supplement [Abstract]
Schedule Of Balance Sheets Supplemental Disclosures [Table Text Block]
Supplemental Balance Sheet Disclosures [Text Block]
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]
Share Repurchases
Treasury Stock [Text Block]
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Snyder's-Lance [Member]
Snyder's-Lance [Member]
Snyder's-Lance [Member]
Pacific Foods [Member]
Pacific Foods [Member]
Pacific Foods [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Cash
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Accounts receivable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Inventories
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory
Other current assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other
Plant assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Goodwill
Goodwill
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles
Other intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Short-term debt
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt
Accounts payable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable
Accrued liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other
Deferred incomes taxes
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities
Other liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Noncontrolling interest
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value
Total assets acquired and liabilities assumed
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Segment Reporting [Abstract]
Schedule Of Segment Reporting [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Additional Product Information for Net Sales [Table Text Block]
Revenue from External Customers by Products and Services [Table Text Block]
Retirement Benefits [Abstract]
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Net Benefit Costs [Table Text Block]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]
Equity Award [Domain]
Time Lapse and EPS Restricted Stock Units [Member]
Time Lapse, EPS, Strategic Performance and Special Performance Restricted Stock Units [Member]
Time-lapse,EPS, Strategic Performance and Special Performance restricted stock units [Member]
TSR Performance Restricted Stock/Units [Member]
T S R Performance Restricted Stock Units [Member]
T.S.R. Performance Restricted Stock Units [Member]
Stock-based Compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested at beginning of period, Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Granted, Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Vested, Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited, Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Nonvested at end of period, Units
Nonvested at beginning 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
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
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
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
Nonvested at end of period, Weighted-Average Grant-Date Fair Value
Equity Method Investments and Joint Ventures [Abstract]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Acre Venture Partners [Member]
Acre Venture Partners [Member]
Acre Venture Partners joint venture
Other Commitments [Axis]
Other Commitments [Axis]
Other Commitments [Domain]
Other Commitments [Domain]
Total Commitment [Member]
Total Commitment [Member]
Total Commitment [Member]
Variable Interest Entities [Axis]
Variable Interest Entities [Axis]
Variable Interest Entity, Classification [Domain]
Variable Interest Entity, Classification [Domain]
Variable Interest Entity
Variable Interest Entity, Primary Beneficiary [Member]
Other Commitment
Other Commitment
LLC ownership percentage
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage
Investments funded
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Other assets
Other Assets, Noncurrent
Other Commitments, Description
Other Commitments, Description
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Statement, Business Segments [Axis]
Restructuring Charges [Member]
Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Earnings before interest and taxes
Operating Income (Loss)
Defined Benefit Plan, Actuarial Gain (Loss)
Defined Benefit Plans Recognized Actuarial Gains (Losses)
The amount of gains or (losses) recognized in net periodic benefit cost expense / (income) resulting from changes in actuarial assumptions.
Restructuring and Related Cost, Incurred Cost
Impairment charges
Income Amounts Attributable to Noncontrolling Interest, Disclosures [Abstract]
Noncontrolling Interest [Table]
Noncontrolling Interest [Table]
Swire Pacific Limited [Member]
Swire Pacific Limited [Member]
Swire Pacific Limited joint venture
Campbell Cheong Chan Malaysia [Member]
Campbell Cheong Chan Malaysia [Member]
Campbell Cheong Chan Malaysia joint ventrue
Noncontrolling Interest [Line Items]
Noncontrolling Interest [Line Items]
Ownership Percentage
Equity Method Investment, Ownership Percentage
Ownership Percentage by Noncontrolling Owners
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners
Payments for Repurchase of Redeemable Noncontrolling Interest
Payments for Repurchase of Redeemable Noncontrolling Interest
Statement of Comprehensive Income [Abstract]
Other comprehensive income (loss), before tax [Abstract]
Other Comprehensive Income (Loss), before Tax [Abstract]
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]
Foreign currency translation adjustments, before tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
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]
Unrealized gains (losses) arising during period, before Tax
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
Reclassification adjustment for (gains) losses included in net earnings, before tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract]
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
Other comprehensive income (loss), before tax
Other Comprehensive Income (Loss), before Tax
Other comprehensive income (loss), tax (expense) benefit [Abstract]
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax [Abstract]
Foreign currency translation adjustments, tax (expense) benefit
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax
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]
Unrealized gains (losses) arising during the period, tax (expense) benefit
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
Reclassification adjustment for (gains) losses included in net earnings, tax (expense) benefit
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax [Abstract]
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
Other comprehensive income (loss), tax (expense) benefit
Other Comprehensive Income (Loss), Tax
Other comprehensive income (loss), after-tax [Abstract]
Other Comprehensive Income (Loss), Net of Tax [Abstract]
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]
Foreign currency translation adjustments, after-tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
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]
Unrealized gains (losses) arising during the period, after-tax
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
Reclassification adjustment for (gains) losses included in net earnings, after-tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
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]
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
Total comprehensive income (loss), after-tax
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Total comprehensive income (loss) attributable to noncontrolling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Total comprehensive income (loss) attributable to Campbell Soup Company
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Accounting Policies [Abstract]
Summary of Significant Accounting Policies
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Product and Service [Axis]
Product and Service [Axis]
Product and Service [Domain]
Product and Service [Domain]
Soup [Member]
Soups [Member]
Soups [Member]
Snacks [Member]
Baked Snacks [Member]
Baked Snacks [Member]
Other Simple Meals [Member]
Simple Meals [Member]
Simple Meals [Member]
Beverages [Member]
Beverages [Member]
Beverages [Member]
Net sales
Revenues
Supplemental Financial Information Data
Additional Financial Information Disclosure [Text Block]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Indefinite-lived Intangible Assets [Member]
Indefinite-lived Intangible Assets [Member]
Other Noncurrent Liabilities [Member]
Other Noncurrent Liabilities [Member]
Goodwill [Member]
Goodwill [Member]
Finite-Lived Intangible Assets [Member]
Finite-Lived Intangible Assets [Member]
Payoff of Idebtedness [Axis]
Payoff of Idebtedness [Axis]
Payoff of Indebtedness [Axis]
Payoff of Idebtedness [Domain]
Payoff of Idebtedness [Domain]
[Domain] for Payoff of Indebtedness [Axis]
Payoff of Indebtedness [Member]
Payoff of Indebtedness [Member]
Payoff of Indebtedness [Member]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Trademarks [Member]
Trademarks [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Customer Relationships [Member]
Customer Relationships [Member]
Business Acquisition, Share Price
Business Acquisition, Share Price
Payments to Acquire Businesses, Gross
Payments to Acquire Businesses, Gross
Long-term Debt
Long-term Debt
Net earnings (loss)
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
General and Administrative Expense [Member]
General and Administrative Expense [Member]
Cost Of Products Sold [Member]
Cost of Sales [Member]
Selling and Marketing Expense [Member]
Selling and Marketing Expense [Member]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Severance Pay And Benefits [Member]
Employee Severance [Member]
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.
Implementation Costs and Other Related Costs [Member]
Implementation Costs and Other Related Costs [Member]
Implementation Costs and Other Related Costs
Restructuring Charges
Inventory, Net [Abstract]
Inventory, raw materials, containers and supplies
Inventory, Raw Materials, Net of Reserves
Inventory, finished products
Inventory, Finished Goods, Net of Reserves
Inventories
Inventory, Net
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
Beginning Balance
Goodwill, Purchase Accounting Adjustments
Goodwill, Purchase Accounting Adjustments
Foreign currency translation adjustment
Goodwill, Foreign Currency Translation Gain (Loss)
Ending Balance
Goodwill, Accumulated Impairment Loss
Goodwill, Impaired, Accumulated Impairment Loss
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Noncompete Agreements [Member]
Noncompete Agreements [Member]
Indefinite-Lived Intangible Assets (Excluding Goodwill)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Components Of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Business and Geographic Segment Information
Segment Reporting Disclosure [Text Block]
Pension And Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Text Block]
Earnings Per Share [Abstract]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Equity Award [Domain]
Employee Stock Option [Member]
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
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
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Developed Technology Rights [Member]
Developed Technology Rights [Member]
Other Intangible Assets [Member]
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross
Finite-Lived Intangible Assets, Gross
Finite-Lived Intangible Assets, Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Finite-Lived Intangible Assets, Net
Finite-Lived Intangible Assets, Net
Indefinite-lived Intangible Assets (Excluding Goodwill)
Indefinite-lived Intangible Assets (Excluding Goodwill)
Total net intangible assets
Intangible Assets, Net (Excluding Goodwill)
Fair Value Disclosures [Abstract]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Subsegments [Axis]
Subsegments [Axis]
Subsegments [Domain]
Subsegments [Domain]
Deli Reporting Unit [Member]
Deli Reporting Unit [Member]
Deli Reporting Unit [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy and NAV [Domain]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
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]
Tangible Asset Impairment Charges
Tangible Asset Impairment Charges
Property, Plant, and Equipment, Fair Value Disclosure
Property, Plant, and Equipment, Fair Value Disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Cash and Cash Equivalents, at Carrying Value
Other Cash Equivalents, at Carrying Value
Long-term Debt, Fair Value
Long-term Debt, Fair Value
Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Wal-Mart Stores, Inc. [Member]
Wal-Mart Stores, Inc. [Member]
Wal-Mart Stores, Inc. [Member]
Top Five Customers [Member]
Top Five Customers [Member]
Top Five Customers [Member]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Sales Revenue, Net [Member]
Sales Revenue, Net [Member]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Derivatives Designated As Hedges [Member]
Designated as Hedging Instrument [Member]
Derivatives Not Designated As Hedges [Member]
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) by Derivative Instrument Risk [Axis]
Derivative Instrument [Axis]
Derivative Contract Type [Domain]
Derivative Contract [Domain]
Foreign Exchange Contract [Member]
Foreign Exchange Contract [Member]
Currency Swap [Member]
Currency Swap [Member]
Interest Rate Contract [Member]
Interest Rate Contract [Member]
Commodity Derivative Contracts [Member]
Commodity Contract [Member]
Embedded Derivative Financial Instruments [Member]
Embedded Derivative Financial Instruments [Member]
Deferred Compensation Derivative Contracts [Member]
Equity Contract [Member]
Other Current Assets [Member]
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Entity Wide Revenue, Major Customer, Percentage Of Net Sales
Concentration Risk, Percentage
Contracts Mature Within, Months
Maximum Length of Time, Foreign Currency Cash Flow Hedge
Derivative, Notional Amount
Derivative, Notional Amount
Maximum Length of Contract Maturity
Maximum Length of Time Hedged in Price Risk Cash Flow Hedge
Margin Deposit Assets
Margin Deposit Assets
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months
Cash Flow Hedge Ineffectiveness is Immaterial
Cash Flow Hedge Ineffectiveness is Immaterial
Stock-based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Derivative Instrument Risk [Axis]
Equity Securities [Member]
Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Level 3 investments at beginning of year
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
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
Fair Value, Level 3 investment Purchases
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Fair Value, Level 3 investments at end of year
EPS Performance Restricted Stock Units [Member]
Eps Performance Restricted Stock Units [Member]
EPS Performance Restricted Stock Units [Member]
FCF Performance Restricted Stock Units [Member]
FCF Performance Restricted Stock Units [Member]
FCF Performance Restricted Stock Units [Member]
T S R Performance Restricted Stock Units Additional Shares [Member]
T S R Performance Restricted Stock Units Additional Shares [Member]
T S R Performance Restricted Stock Units Additional Shares[Member]
Remaining unearned compensation on nonvested awards
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Weighted-average remaining service period, years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Nonvested, Units
Nonvested, Weighted-Average Grant-Date Fair Value
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
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
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
Excess Tax Benefit/(Deficiency) from Share-based Compensation, Operating Activities
Excess Tax Benefit from Share-based Compensation, Operating Activities
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]
Schedule of Offsetting Assets [Table Text Block]
Offsetting Assets [Table Text Block]
Schedule of Offsetting Liabilities [Table Text Block]
Offsetting Liabilities [Table Text Block]
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]
Derivatives Not Designated As Hedges [Table Text Block]
Discussion Of Effect Of Derivatives Not Designated As Hedges On Results Of Operations [Text Block]
Discussion Of Effect Of Derivatives Not Designated As Hedges On Results Of Operations
Recent Accounting Pronouncements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
International and Campbell Fresh [Member]
International and Campbell Fresh [Member]
International and Campbell Fresh [Member]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Pension Plan, Defined Benefit [Member]
Pension Plan [Member]
Other Postretirement Benefit Plans, Defined Benefit [Member]
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Defined Benefit Plan, Service Cost
Defined Benefit Plan, Service Cost
Defined Benefit Plan, Interest Cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition [Domain]
Initial Application Period Cumulative Effect Transition [Domain]
Balances without adoption of Topic 606
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Adjustments due to adoption of Topic 606
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Payable to suppliers and others
Accounts Payable, Current
Accrued liabilities
Accrued Liabilities, Current
Accrued income taxes
Accrued Income Taxes, Current
Total current liabilities
Liabilities, Current
Total liabilities
Liabilities
Earnings retained in the business
Retained Earnings (Accumulated Deficit)
Total Campbell Soup Company shareholders' equity
Stockholders' Equity Attributable to Parent
Total equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Earnings before taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Taxes on earnings
Income Tax Expense (Benefit)
Net earnings attributable to Campbell Soup Company
Net Income (Loss) Attributable to Parent
Per Share - Basic
Earnings Per Share, Basic [Abstract]
Net earnings attributable to Campbell Soup Company
Earnings Per Share, Basic
Per Share - Assuming Dilution
Earnings Per Share, Diluted [Abstract]
Net earnings attributable to Campbell Soup Company
Earnings Per Share, Diluted
Business Acquisition, Pro Forma Information [Abstract]
Business Acquisition, Pro Forma Revenue
Business Acquisition, Pro Forma Revenue
Business Acquisition, Pro Forma Net Income (Loss)
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax
Business Acquisition, Pro Forma Earnings Per Share, Basic
Business Acquisition, Pro Forma Earnings Per Share, Basic
Business Acquisition, Pro Forma Earnings Per Share, Diluted
Business Acquisition, Pro Forma Earnings Per Share, Diluted
Earnings Retained In The Business [Member]
Retained Earnings [Member]
Accrued Liabilities [Member]
Accrued Liabilities [Member]
Payable to suppliers and others [Member]
Accounts Payable [Member]
Deferred taxes [Member]
Other Assets [Member]
Other Noncurrent Assets [Member]
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Table]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Variable Interest Entity Disclosure [Text Block]
Variable Interest Entity Disclosure [Text Block]
Class of Treasury Stock [Table]
Class of Treasury Stock [Table]
Treasury Stock [Member]
Treasury Stock [Member]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
March 2017 Program [Member]
March 2017 Program [Member]
March 2017 Program [Member]
Statement [Line Items]
Equity, Class of Treasury Stock [Line Items]
Common Stock, Shares Authorized
Common Stock, Shares Authorized
Common Stock, Par or Stated Value Per Share
Common Stock, Par or Stated Value Per Share
Preferred Stock, Shares Authorized
Preferred Stock, Shares Authorized
Preferred Stock, Shares Issued
Preferred Stock, Shares Issued
Authorized amount for shares repurchase
Stock Repurchase Program, Authorized Amount
Treasury stock purchased, shares
Treasury Stock, Shares, Acquired
Shares repurchased, value
Treasury Stock, Value, Acquired, Cost Method
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Acquisitions
Business Combination Disclosure [Text Block]
Accumulated Other Comprehensive Income
Comprehensive Income (Loss) Note [Text Block]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Measured On Recurring Basis [Member]
Fair Value, Measurements, Recurring [Member]
Foreign Exchange Forward Contracts [Member]
Deferred Compensation Investment [Member]
Deferred Compensation Investment [Member]
Deferred Compensation Investment [Member]
Deferred Compensation Obligation [Member]
Deferred Compensation Obligation [Member]
DeferredCompensationObligationMember
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Derivative assets at fair value
Derivative Asset
Investments at fair value
Investments, Fair Value Disclosure
Total assets at fair value
Assets, Fair Value Disclosure
Derivatives liabilities at fair value
Derivative Liability
Deferred compensation obligation
Obligations, Fair Value Disclosure
Total liabilities at fair value
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Scenario [Axis]
Scenario, Forecast [Member]
Scenario, Forecast [Member]
Restructuring and Related Cost, Expected Cost
Restructuring and Related Cost, Expected Cost
Effect on Future Cash Flows, Amount
Effect on Future Cash Flows, Amount
Restructuring and Related Cost, Expected Cost Allocation
Restructuring and Related Cost, Expected Cost Allocation
Expected cost to be incurred by segment.
Payments to Acquire Property, Plant, and Equipment
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Business Acquisition, Pro Forma Information [Table Text Block]
Business Acquisition, Pro Forma Information [Table Text Block]
Schedule Of Pre-Tax Charge And Remaining Costs [Table Text Block]
Restructuring and Related Costs [Table Text Block]
Schedule Of Restructuring Activity And Related Reserves [Table Text Block]
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
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]
Other Liabilities [Member]
Other Liabilities [Member]
Derivative Asset, Fair Value, Gross Asset
Statement of Financial Position [Abstract]
Current assets
Assets, Current [Abstract]
Cash and cash equivalents
Accounts receivable, net
Receivables, Net, Current
Inventories
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Plant assets, net of depreciation
Property, Plant and Equipment, Net
Other intangible assets, net of amortization
Other assets ($68 as of 2019 and $77 as of 2018 attributable to variable interest entity)
Total assets
Assets
Current liabilities
Liabilities, Current [Abstract]
Short-term borrowings
Debt, Current
Dividends payable
Dividends Payable, Current
Total current liabilities
Long-term debt
Long-term Debt and Capital Lease Obligations
Deferred taxes
Deferred Tax Liabilities, Net, Noncurrent
Other liabilities
Other Liabilities, Noncurrent
Total liabilities
Commitments and contingencies
Commitments and Contingencies
Campbell Soup Company shareholders' equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Preferred stock; authorized 40 shares; none issued
Preferred Stock, Value, Issued
Capital stock, $.0375 par value; authorized 560 shares; issued 323 shares
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Capital stock in treasury, at cost
Treasury Stock, Value
Accumulated other comprehensive loss
Total Campbell Soup Company shareholders' equity
Noncontrolling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total equity
Total liabilities and equity
Liabilities and Equity
Capital Stock, Shares Authorized
Common Stock, Shares, Issued
Common Stock, Shares, Issued
Goodwill and Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Noncontrolling Interest
Noncontrolling Interest Disclosure [Text Block]
Amortization of Intangible Assets
Amortization of Intangible Assets
Net Periodic Defined Benefits Income, Excluding Service Cost Component
Net Periodic Defined Benefits Expense (Income), Excluding Service Cost Component
Net Periodic Defined Benefits Expense (Income), Excluding Service Cost Component. Includes amounts capitalized to inventory.
Investment losses
Gain (Loss) on Investments
Other expenses
Other Expenses
Other expenses / (income)
Other Nonoperating Income (Expense)
Other Cost Savings Implementation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Accrued Balance at beginning of period
Restructuring Reserve
Cash Payments
Payments for Restructuring
Accrued Balance at end of period
Restructuring Reserve, Noncurrent
Restructuring Reserve, Noncurrent
Income Statement [Abstract]
Costs and expenses
Costs and Expenses [Abstract]
Cost of products sold
Cost of Goods and Services Sold
Marketing and selling expenses
Selling and Marketing Expense
Administrative expenses
General and Administrative Expense
Research and development expenses
Research and Development Expense (Excluding Acquired in Process Cost)
Other expenses / (income)
Total costs and expenses
Costs and Expenses
Earnings before interest and taxes
Interest expense
Interest Expense
Interest income
Investment Income, Interest
Earnings before taxes
Net earnings
Less: Net earnings (loss) attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net earnings attributable to Campbell Soup Company
Weighted average shares outstanding - basic
Weighted Average Number of Shares Outstanding, Basic
Weighted average shares outstanding - assuming dilution
Weighted Average Number of Shares Outstanding, Diluted
Financial Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Fair Value Measurement, Policy
Fair Value Measurement, Policy [Policy Text Block]
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]
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]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Expected dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate
Expected term, years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Cover Non-Printing [Abstract]
Cover Non-Printing [Abstract]
Entities [Table]
Entities [Table]
Entity Information [Line Items]
Entity Information [Line Items]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Current Reporting Status
Entity Current Reporting Status
Derivative Instruments, Gain (Loss) by Income Statement Location [Axis]
Other Expenses/Income [Member]
Other Operating Income (Expense) [Member]
Interest Expense [Member]
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) or Loss Recognized in Earnings on Derivatives
Beginning of year, Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted, Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Exercised, Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Terminated, Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period
End of year, Options
Exercisable at end of period, Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Beginning of period, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted, Weighted-Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Exercised, Weighted-Average Exercise Price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Terminated, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
End of period, Weighted-Average Exercise Price
Exercisable at end of period, Weighted-Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
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
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
Outstanding at end of period, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Exercisable at end of period, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Earnings Per Share
Earnings Per Share [Text Block]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Earnings before taxes
Net earnings attributable to Campbell Soup Company
OCI before tax accumulated derivative gain (loss) beginning of period
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.
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
OCI before tax accumulated derivative gain (loss) end of period
Fair Value Measurements
Fair Value Disclosures [Text Block]
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.
Schedule Of Stock Option Activity [Table Text Block]
Share-based Compensation, Stock Options, Activity [Table Text Block]
Time-Lapse Restricted Stock Units and EPS Performance Restricted Stock Units[Table Text Block]
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
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]
Schedule Of Share Based Payment Award Valuation Assumptions [Table Text Block]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
Finite-Lived Intangible Assets, Amortization Expense, Year Two
Finite-Lived Intangible Assets, Amortization Expense, Year Two
Finite Lived Intangible Assets, Amortization Expense, Year Three
Finite-Lived Intangible Assets, Amortization Expense, Year Three
Finite Lived Intangible Assets, Amortization Expense, Year Four
Finite-Lived Intangible Assets, Amortization Expense, Year Four
Finite Lived Intangible Assets, Amortization Expense, Year Five
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Finite-Lived Intangible Asset, Useful Life
Statement of Stockholders' Equity [Abstract]
Capital Stock Issued [Member]
Common Stock [Member]
Capital Stock In Treasury [Member]
Additional Paid-In Capital [Member]
Additional Paid-in Capital [Member]
Noncontrolling Interests [Member]
Noncontrolling Interest [Member]
Capital stock, shares
Shares, Issued
Treasury Stock, Shares
Treasury Stock, Shares
Balance, value
Other comprehensive income (loss)
Dividends
Dividends, Common Stock, Cash
Dividends per share
Common Stock, Dividends, Per Share, Declared
Treasury stock purchased, shares
Treasury stock purchased, value
Treasury stock issued under management incentive and stock option plans, shares
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Treasury stock issued under management incentive and stock option plans, value
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures
Capital stock, shares
Treasury Stock, Shares
Balance, value