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DERIVATIVE INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Fair value measurements on a nonrecurring basis (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024	Dec. 28, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of property	$ 0	$ 60
Property, Plant and Equipment, Net	3,345		$ 3,234
Current maturities of long-term debt	4		632
Fair Value Of Related Hedge Portion Of Long Term Debt	$ 400		400
Hedging adjustment | Interest rate contracts | Discontinued Hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current maturities of long-term debt			$ 1
North America | North America Frozen Supply Chain Network Reconfiguration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant and Equipment, Net		62
North America | North America Frozen Supply Chain Network Reconfiguration | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure		41
North America | COGS | North America Frozen Supply Chain Network Reconfiguration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of property		21
Europe | European Cereal Supply Chain Network Reconfiguration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant and Equipment, Net		99
Europe | European Cereal Supply Chain Network Reconfiguration | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure		60
Europe | COGS | European Cereal Supply Chain Network Reconfiguration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of property		$ 39

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The fair value of the portion of fixed rate long-term debt, the hedged item, which is hedged with fixed-to-floating, interest rate swaps.

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Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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