SALE OF ACCOUNTS RECEIVABLE - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Jun. 28, 2025 |
Jun. 29, 2024 |
Jun. 28, 2025 |
Jun. 29, 2024 |
Dec. 28, 2024 |
|
Monetization Program | Other income (expense) | |||||
Transfer of Financial Assets Accounted for as Sales [Line Items] | |||||
Gain (Loss) on Sale of Accounts Receivable | $ (9) | $ (11) | $ (19) | $ (22) | |
Monetization Program | Maximum [Member] | |||||
Transfer of Financial Assets Accounted for as Sales [Line Items] | |||||
Transfers of Accounts Receivable Agreements | 975 | 975 | |||
Monetization Program | Sold And Outstanding | |||||
Transfer of Financial Assets Accounted for as Sales [Line Items] | |||||
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized | $ 745 | $ 745 | $ 653 | ||
Kellogg Foreign Subsidiaries Other Program | |||||
Transfer of Financial Assets Accounted for as Sales [Line Items] | |||||
Transfers of Accounts Receivable Agreements | $ 15 |