Accumulated Other Comprehensive Loss, Excluding Noncontrolling Interests (Detail) - USD ($) $ in Millions		3 Months Ended
		Apr. 02, 2023		Apr. 03, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 95,916		$ 77,462
Other comprehensive income/(loss), net of tax		12		(260)
Ending balance		101,236		82,685
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(8,304)		(5,897)
Other comprehensive income/(loss), net of tax		15	[1]	(260)
Ending balance		(8,289)		$ (6,157)
Foreign Currency Translation Adjustment [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[2]	(8,360)
Other comprehensive income/(loss), net of tax	[1],[2]	129
Ending balance	[2]	(8,231)
Derivative Financial Instruments [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(412)
Other comprehensive income/(loss), net of tax	[1]	281
Ending balance		(131)
Available-For-Sale Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		220
Other comprehensive income/(loss), net of tax	[1]	(369)
Ending balance		(149)
Prior Service (Costs)/Credits and Other [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		248
Other comprehensive income/(loss), net of tax	[1]	(27)
Ending balance		$ 222

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

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