Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 7,113	$ 6,815
Other comprehensive income (loss) before reclassifications	25	(7)
Reclassified from Accumulated other comprehensive loss	1	17
Balance at end of period	7,008	6,917
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(612)	(789)
Balance at end of period	(586)	(779)
Pension and Postretirement Benefits Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(516)	(799)
Other comprehensive income (loss) before reclassifications	0	0
Reclassified from Accumulated other comprehensive loss	0	17
Balance at end of period	(516)	(782)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(94)	9
Other comprehensive income (loss) before reclassifications	28	(14)
Reclassified from Accumulated other comprehensive loss	0	0
Balance at end of period	(66)	(5)
Deferred Gains (Losses) on Hedge Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(2)	1
Other comprehensive income (loss) before reclassifications	(3)	7
Reclassified from Accumulated other comprehensive loss	1	0
Balance at end of period	$ (4)	$ 8