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DERIVATIVE INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Fair value measurements on a nonrecurring basis (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 30, 2024 | Jun. 28, 2025 | Jun. 29, 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 |  | 3,498 |  | $ 3,234
Current maturities of long-term debt |  | 758 |  | 632
Fair Value Of Related Hedge Portion Of Long Term Debt |  | 500 |  | 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) |  | $ 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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