Other Financial Data - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	$ 2,427
Total other comprehensive income (loss), net of tax	(3)	$ 39
Balance at end of period	2,563
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(2,420)	(2,539)
Total other comprehensive income (loss), net of tax	(3)	39
Balance at end of period	(2,423)	(2,500)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(445)	(546)
Other comprehensive income (loss) before reclassification adjustment	(14)	38
Reclassification adjustment before tax	(1)	0
Tax benefit	0	3
Total other comprehensive income (loss), net of tax	(15)	41
Balance at end of period	(460)	(505)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(6)	(7)
Total other comprehensive income (loss), net of tax	0	0
Balance at end of period	(6)	(7)
Defined Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(1,969)	(1,986)
Other comprehensive income (loss) before reclassification adjustment	2	(12)
Tax benefit	(1)	3
Other comprehensive income (loss) before reclassification adjustment, net of tax	1	(9)
Tax expense	(4)	(2)
Reclassification adjustments into Net earnings, net of tax	11	7
Total other comprehensive income (loss), net of tax	12	(2)
Balance at end of period	(1,957)	(1,988)
Reclassification adjustment - Actuarial net losses into Other income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Reclassification adjustment before tax	$ 15	$ 9