STOCK COMPENSATION (Tables)

12 Months Ended

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.