Comprehensive Income/(Loss) and Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 28, 2025	Jun. 28, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ 49,357	$ 49,551
Ending Balance	50,476	50,476
Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(2,343)	(2,697)
Other comprehensive income/(loss) before reclassifications	(455)	(98)
Amounts reclassified from accumulated other comprehensive income/(loss)	1	(2)
Net other comprehensive income/(loss)	(453)	(99)
Ending Balance	(2,797)	(2,797)
Currency translation adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(2,053)	(2,409)
Other comprehensive income/(loss) before reclassifications	(447)	(87)
Amounts reclassified from accumulated other comprehensive income/(loss)	(2)	(6)
Net other comprehensive income/(loss)	(449)	(93)
Ending Balance	(2,502)	(2,502)
Unrealized gains/(losses) on hedging instruments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(24)	(25)
Other comprehensive income/(loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive income/(loss)	1	1
Net other comprehensive income/(loss)	1	1
Ending Balance	(24)	(24)
Pension and other postretirement benefit liability adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(265)	(263)
Other comprehensive income/(loss) before reclassifications	(8)	(11)
Amounts reclassified from accumulated other comprehensive income/(loss)	3	4
Net other comprehensive income/(loss)	(5)	(8)
Ending Balance	$ (270)	$ (270)