RETIREMENT BENEFITS - Statement of Operations Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2025	Dec. 29, 2023	Dec. 30, 2022
Operating
Service cost	$ 36	$ 35
Non-operating
Interest cost	404	397
Pension
Operating
Service cost	34	33	$ 44
Non-operating
Interest cost	394	386	220
Expected return on plan assets	(660)	(633)	(624)
Amortization of net actuarial (gain) loss	(4)	(9)	9
Amortization of prior service (credit) cost	(26)	(26)	(27)
Non-service cost periodic benefit income	(296)	(282)	(422)
Net periodic benefit income	(262)	(249)	(378)
Other changes in plan assets and benefit obligations recognized in other comprehensive income
Net actuarial (gain) loss	(414)	(90)	42
Prior service (credit) cost	(14)	0	8
Amortization of net actuarial gain (loss)	4	9	(9)
Amortization of prior service credit (cost)	26	26	27
Currency translation adjustment	4	0	1
Total change recognized in other comprehensive income	(394)	(55)	69
Total impact from net periodic benefit income and changes in other comprehensive income	(656)	(304)	(309)
Other Postretirement Benefits Plan [Member]
Operating
Service cost	2	2	2
Non-operating
Interest cost	10	11	7
Expected return on plan assets	(20)	(20)	(20)
Amortization of net actuarial (gain) loss	(17)	(20)	(7)
Amortization of prior service (credit) cost	1	1	1
Non-service cost periodic benefit income	(26)	(28)	(19)
Net periodic benefit income	(24)	(26)	(17)
Other changes in plan assets and benefit obligations recognized in other comprehensive income
Net actuarial (gain) loss	(7)	(18)	(34)
Prior service (credit) cost	0	0	0
Amortization of net actuarial gain (loss)	17	20	7
Amortization of prior service credit (cost)	(1)	(1)	(1)
Currency translation adjustment	0	0	0
Total change recognized in other comprehensive income	9	1	(28)
Total impact from net periodic benefit income and changes in other comprehensive income	$ (15)	$ (25)	$ (45)