RETIREMENT BENEFITS - Statement of Operations Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Operating
Service cost	$ 35	$ 46
Non-operating
Interest cost	397	227
Pension
Operating
Service cost	33	44	$ 66
Non-operating
Interest cost	386	220	188
Expected return on plan assets	(633)	(624)	(621)
Amortization of net actuarial (gain) loss	(9)	9	30
Amortization of prior service credit	(26)	(27)	(28)
Effect of curtailments or settlements	0	0	1
Non-service cost periodic benefit income	(282)	(422)	(430)
Net periodic benefit income	(249)	(378)	(364)
Other changes in plan assets and benefit obligations recognized in other comprehensive income
Net actuarial gain	(90)	42	(972)
Prior service cost	0	8	2
Amortization of net actuarial gain (loss)	9	(9)	(30)
Amortization of prior service credit	26	27	28
Currency translation adjustment	0	1	1
Recognized prior service credit	0	0	4
Recognized net actuarial loss	0	0	(4)
Total change recognized in other comprehensive income	(55)	69	(971)
Total impact from net periodic benefit income and changes in other comprehensive income	(304)	(309)	(1,335)
Other Benefits
Operating
Service cost	2	2	2
Non-operating
Interest cost	11	7	5
Expected return on plan assets	(20)	(20)	(20)
Amortization of net actuarial (gain) loss	(20)	(7)	0
Amortization of prior service credit	1	1	1
Non-service cost periodic benefit income	(28)	(19)	(14)
Net periodic benefit income	(26)	(17)	(12)
Other changes in plan assets and benefit obligations recognized in other comprehensive income
Net actuarial gain	(18)	(34)	(46)
Prior service cost	20	7	0
Amortization of net actuarial gain (loss)	(1)	(1)	(1)
Total change recognized in other comprehensive income	1	(28)	(47)
Total impact from net periodic benefit income and changes in other comprehensive income	$ (25)	$ (45)	$ (59)