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Reserves Cybersecurity Incident Recoveries (Costs) Cybersecurity Expenses (Recoveries) Expenses (recoveries) related to a cybersecurity incident. Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Company Selected Measure Amount Company Selected Measure Amount Derivatives Not Designated As Hedges [Member] Not Designated as Hedging Instrument [Member] Depreciation and amortization Depreciation, Depletion and Amortization September 2024 Program September 2024 Program [Member] September 2024 Program Trademarks- Other [Member] Trademarks - Other [Member] Trademarks - Other 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] Treasury stock issued under stock-based compensation plans, shares Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net earnings Net earnings (loss) Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets Assets, Current [Abstract] Derivatives liabilities at fair value Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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 Taxes on earnings Taxes on earnings Income Tax Expense (Benefit) Fair Value Hedging Fair Value Hedging [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. Transition services fees Other Nonoperating Income Customer Concentration Risk [Member] Customer Concentration Risk [Member] Cost of products sold Cost of Product and Service Sold Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Research and development expenses Research and Development Expense (Excluding Acquired in Process Cost) Pension and postretirement benefit expense Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Payments to Acquire Property, Plant, and Equipment - Incurred to Date Payments to Acquire Property, Plant, and Equipment - Incurred to Date The cash outflow incurred to date associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets Disclosure Text Block Supplement [Abstract] Disclosure Text Block Supplement [Abstract] Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Net earnings attributable to The Campbell's Company Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Business Combination Price Of Acquisition Expected, 1 year after close Business Combination Price Of Acquisition Expected Payment 1 Year After Close Business Combination Price Of Acquisition Expected Payment 1 Year After Closing Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Treasury Lock [Member] Treasury Lock [Member] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] 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] Restatement Determination Date: Restatement Determination Date [Axis] Components Of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Derivative, Contract Term Derivative, Contract Term Interest income Investment Income, Interest Exercisable at end of period, Weighted-Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Derivative Asset, Fair Value, Gross Asset Derivative Assets at fair value Derivative Asset, Subject to Master Netting Arrangement, before Offset Short-term borrowings, including commercial paper Proceeds from Short-Term Debt 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 Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]