Accumulated Other Comprehensive Loss, Excluding Noncontrolling Interests (Detail) - USD ($) $ in Millions		3 Months Ended
		Apr. 03, 2022		Apr. 04, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 77,462		$ 63,473
Other comprehensive income/(loss)		(260)		647
Ending balance		82,685		68,865
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(5,897)		(5,310)
Other comprehensive income/(loss)		(260)	[1]	646
Ending balance		(6,157)		$ (4,664)
Foreign Currency Translation Adjustment [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(6,172)
Other comprehensive income/(loss)	[1]	(291)
Ending balance		(6,463)
Derivative Financial Instruments [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		119
Other comprehensive income/(loss)	[1]	(20)
Ending balance		99
Available-For-Sale Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(220)
Other comprehensive income/(loss)	[1]	87
Ending balance		(133)
Prior Service (Costs)/Credits and Other [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		377
Other comprehensive income/(loss)	[1]	(36)
Ending balance		$ 341

[1] Amounts do not include foreign currency translation adjustments attributable to noncontrolling interests. Foreign currency translation adjustments include net losses related to our equity method investment in the Consumer Healthcare JV (see Note 2C) and the impact of our net investment hedging program.