Accumulated Other Comprehensive Loss, Excluding Noncontrolling Interests (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025		Jun. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 90,637	$ 92,558	$ 88,497		$ 89,288
Other comprehensive income/(loss), net of tax		143	(67)	(598)		131
Ending balance		89,012	87,975	89,012		87,975
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(8,581)	(7,758)	(7,842)		(7,961)
Other comprehensive income/(loss), net of tax		143	(58)	(596)	[1]	145
Ending balance		(8,438)	$ (7,816)	(8,438)		$ (7,816)
Foreign Currency Translation Adjustment [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[2]			(7,984)
Other comprehensive income/(loss), net of tax	[1],[2]			(56)
Ending balance	[2]	(8,040)		(8,040)
Derivative Financial Instruments [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				57
Other comprehensive income/(loss), net of tax	[1]			(645)
Ending balance		(589)		(589)
Available-For-Sale Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				(106)
Other comprehensive income/(loss), net of tax	[1]			181
Ending balance		75		75
Prior Service (Costs)/Credits and Other [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance				191
Other comprehensive income/(loss), net of tax	[1]			(76)
Ending balance		$ 115		$ 115

[1] Foreign currency translation adjustments include net gains/(losses) related to the impact of our net investment hedging program.

[2] Amounts do not include foreign currency translation adjustments attributable to noncontrolling interests.