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STOCK COMPENSATION (Tables) | 12 Months Ended
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Dec. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule Of Compensation Expense For Equity Programs And Related Tax Benefits Text Block [Table Text Block] |
(millions) |  | 2023 |  | 2022 |  | 2021 |
Pre-tax compensation expense |  | $ | 96 |  |  | $ | 100 |  |  | $ | 73 |  |
Related income tax benefit |  | $ | 25 |  |  | $ | 26 |  |  | $ | 19 |  |
Schedule of Cash and Tax Benefits Received Upon Exercise of Stock Options and Similar Instruments [Table Text Block] |
(millions) |  | 2023 |  | 2022 |  | 2021
Total cash received from option exercises and similar instruments (a) |  | $ | 60 |  |  | $ | 277 |  |  | $ | 63 |
Tax windfall (shortfall) classified as cash flow from operating activities (a) |  | $ | 3 |  |  | $ | 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) |  | 1,661 |  |  | $ | 64 |
Granted |  | 572 |  |  | 68 |
Vested |  | (491) |  |  | 65 |
Forfeited |  | (359) |  |  | 65 |
Performance share conversion |  | 1,486 |  |  | 63 |
Awards transferred to WK Kellogg Co |  | (529) |  |  | 65 |
Adjustment for spin-off (b) |  | 843 |  |  | — |
Non-vested, end of year |  | 3,183 |  |  | $ | 58 |
(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. Additionally, restricted stock unit activity for 2022 and 2021 is presented in the following table:
Employee restricted stock units (a) |  | 2022 |  | 2021
Shares (in thousands): |  |  |  |
Non-vested, beginning of year |  | 1,786 |  |  | 1,736 |
Granted |  | 709 |  |  | 727 |
Vested |  | (619) |  |  | (489) |
Forfeited |  | (215) |  |  | (188) |
Non-vested, end of year |  | 1,661 |  |  | 1,786 |
Weighted-average exercise price: |  |  |  |
Non-vested, beginning of year |  | $ | 60 |  |  | $ | 61 |
Granted |  | 67 |  |  | 58 |
Vested |  | 57 |  |  | 63 |
Forfeited |  | 62 |  |  | 60 |
Non-vested, end of year |  | $ | 64 |  |  | $ | 60 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting
Schedule of Stock Option Valuation Model Assumptions for Grants [Table Text Block] |
Stock option valuation model assumptions for grants within the year ended: |  | 2021 |  |  |
Weighted-average expected volatility |  | 20.00 | % |  |  |
Weighted-average expected term (years) |  | 6.7 |  |  |
Weighted-average risk-free interest rate |  | 0.96 | % |  |  |
Dividend yield |  | 3.90 | % |  |  |
Weighted-average fair value of options granted |  | $ | 6.39 |  |  |  |
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) |  | 10 |  |  | $ | 65 |  |  |  |  |
Granted |  | — |  |  | — |  |  |  |  |
Exercised |  | (1) |  |  | 59 |  |  |  |  |
Forfeitures and expirations |  | (1) |  |  | 60 |  |  |  |  |
Awards transferred to WK Kellogg Co |  | (1) |  |  | 66 |  |  |  |  |
Adjustment for spin-off (b) |  | 2 |  |  |  |  |  |  |
Outstanding, end of year |  | 9 |  |  | 55 |  |  | 4.5 |  | $ | 15 |
Exercisable, end of year |  | 8 |  |  | $ | 59 |  |  | 4.3 |  | $ | 12 |
(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. Additionally, option activity for the comparable prior year periods is presented in the following table:
(millions, except per share data) (a) |  | 2022 |  | 2021
Outstanding, beginning of year |  | 15 |  |  | 14 |
Granted |  | — |  |  | 3 |
Exercised |  | (4) |  |  | (1) |
Forfeitures and expirations |  | (1) |  |  | (1) |
Outstanding, end of year |  | 10 |  |  | 15 |
Exercisable, end of year |  | 8 |  |  | 10 |
Weighted-average exercise price: |  |  |  |
Outstanding, beginning of year |  | $ | 64 |  |  | $ | 65 |
Granted |  | — |  |  | 58 |
Exercised |  | 61 |  |  | 56 |
Forfeitures and expirations |  | 63 |  |  | 66 |
Outstanding, end of year |  | $ | 65 |  |  | $ | 64 |
Exercisable, end of year |  | $ | 67 |  |  | $ | 66 |
(a) Activities prior to the spin-off remain unadjusted to ensure consistency with historical reporting.

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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