Accumulated Other Comprehensive Loss, Excluding Noncontrolling Interests (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024		Apr. 02, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 89,288		$ 95,916
Other comprehensive income/(loss), net of tax		198		12
Ending balance		92,558		101,236
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(7,961)		(8,304)
Other comprehensive income/(loss), net of tax		203	[1]	15
Ending balance		(7,758)		$ (8,289)
Foreign Currency Translation Adjustment [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[2]	(7,863)
Other comprehensive income/(loss), net of tax	[1],[2]	120
Ending balance	[2]	(7,743)
Derivative Financial Instruments [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(217)
Other comprehensive income/(loss), net of tax	[1]	164
Ending balance		(53)
Available-For-Sale Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(9)
Other comprehensive income/(loss), net of tax	[1]	(57)
Ending balance		(66)
Prior Service (Costs)/Credits and Other [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		128
Other comprehensive income/(loss), net of tax	[1]	(24)
Ending balance		$ 104

[1] Foreign currency translation adjustments include net gains related to the impact of our net investment hedging program and net losses related to our equity-method investment in Haleon (see Note 2B).

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