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STOCK COMPENSATION (Tables) | 12 Months Ended
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Dec. 28, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule Of Compensation Expense For Equity Programs And Related Tax Benefits Text Block [Table Text Block] |
(millions) |  | 2024 |  | 2023 |  | 2022
Pre-tax compensation expense |  | $ | 95 |  |  | $ | 96 |  |  | $ | 100 |
Related income tax benefit |  | $ | 25 |  |  | $ | 25 |  |  | $ | 26 |
Schedule of Cash and Tax Benefits Received Upon Exercise of Stock Options and Similar Instruments [Table Text Block] |
(millions) |  | 2024 |  | 2023 |  | 2022
Total net cash received from option exercises and similar instruments (a) |  | $ | 213 |  |  | $ | 60 |  |  | $ | 277 |
Tax windfall (shortfall) classified as cash flow from operating activities (a) |  | $ | 13 |  |  | $ | 3 |  |  | $ | 3 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting.
Summary of Restricted Stock Summary [Table Text Block] |
Employee restricted stock units |  | Shares (thousands) |  | Weighted-average grant-date fair value
Non-vested, beginning of year (a) |  | 3,183 |  |  | $ | 58 |
Granted |  | 668 |  |  | 56 |
Vested |  | (1,172) |  |  | 56 |
Forfeited |  | (202) |  |  | $ | 59 |
Non-vested, end of year |  | 2,477 |  |  | $ | 59 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting. Additionally, restricted stock unit activity for 2023 and 2022 is presented in the following table:
Employee restricted stock units (a) |  | 2023 |  | 2022
Shares (in thousands): |  |  |  |
Non-vested, beginning of year |  | 1,661 |  |  | 1,786 |
Granted |  | 572 |  |  | 709 |
Vested |  | (491) |  |  | (619) |
Forfeited |  | (359) |  |  | (215) |
Performance share conversion |  | 1,486 |  |  | — |
Awards transferred to WK Kellogg Co |  | (529) |  |  | — |
Adjustment for spin-off (b) |  | 843 |  |  | — |
Non-vested, end of year |  | 3,183 |  |  | 1,661 |
Weighted-average exercise price: |  |  |  |
Non-vested, beginning of year |  | $ | 64 |  |  | $ | 60 |
Granted |  | 68 |  |  | 67 |
Vested |  | 65 |  |  | 57 |
Forfeited |  | 65 |  |  | 62 |
Performance share conversion |  | 63 |  |  | — |
Awards transferred to WK Kellogg Co |  | 65 |  |  | — |
Non-vested, end of year |  | $ | 58 |  |  | $ | 64 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting. (b) In connection with the spin-off of WK Kellogg Co, the modification of restricted stock units resulted in incremental expense totaling approximately $11 million to be amortized over the remaining vesting period of the award.
Share-based Payment Arrangement, Activity [Table Text Block] |
Employee and director stock options |  | Shares (millions) |  | Weighted- average exercise price |  | Weighted- average remaining contractual term (yrs.) |  | Aggregate intrinsic value (millions)
Outstanding, beginning of year (a) |  | 9 |  |  | $ | 58 |  |  |  |  |
Granted |  | — |  |  | — |  |  |  |  |
Exercised |  | (3) |  |  | 59 |  |  |  |  |
Forfeitures and expirations |  | — |  |  | — |  |  |  |  |
Outstanding, end of year |  | 6 |  |  | $ | 57 |  |  | 4 |  | $ | 130 |
Exercisable, end of year |  | 6 |  |  | $ | 57 |  |  | 4 |  | $ | 130 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting. Additionally, option activity for the comparable prior year periods is presented in the following table:
(millions, except per share data) (a) |  | 2023 |  | 2022
Outstanding, beginning of year |  | 10 |  |  | 15 |
Granted |  | — |  |  | — |
Exercised |  | (1) |  |  | (4) |
Forfeitures and expirations |  | (1) |  |  | (1) |
Awards transferred to WK Kellogg Co |  | (1) |  |  | — |
Adjustment for spin-off (b) |  | 2 |  |  | — |
Outstanding, end of year |  | 9 |  |  | 10 |
Exercisable, end of year |  | 8 |  |  | 8 |
Weighted-average exercise price: |  |  |  |
Outstanding, beginning of year |  | $ | 65 |  |  | $ | 64 |
Granted |  | — |  |  | — |
Exercised |  | 59 |  |  | 61 |
Forfeitures and expirations |  | 60 |  |  | 63 |
Awards transferred to WK Kellogg Co |  | 66 |  |  | — |
Outstanding, end of year |  | $ | 58 |  |  | $ | 65 |
Exercisable, end of year |  | $ | 58 |  |  | $ | 67 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting. (b) In connection with the spin-off of WK Kellogg Co, the modification of stock options resulted in incremental expense totaling approximately $10 million, of which $9 million was related to vested awards and was recognized immediately. The remaining expense will be amortized over the vesting period of the award.

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