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Tax Matters - Schedule of Tax Provision/(Benefit) on Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions		3 Months Ended
		Apr. 04, 2021	Mar. 29, 2020
Income Tax Disclosure [Abstract]
Foreign currency translation adjustments, net	[1]	$ 21	$ (247)
Unrealized holding gains/(losses) on derivative financial instruments, net		59	(133)
Reclassification adjustments for (gains)/losses included in net income		34	15
Derivatives qualifying as hedges, tax, total		93	(118)
Unrealized holding gains/(losses) on available-for-sale securities, net		10	(6)
Reclassification adjustments for (gains)/losses included in net income		(30)	2
Available-for-sale securities, tax, total		(20)	(5)
Reclassification adjustments related to amortization of prior service costs and other, net		(10)	(11)
Other		0	0
Pension and other postretirement benefit plans, net prior service cost (credit), tax		(10)	(11)
Tax provision/(benefit) on other comprehensive income/(loss)		$ 84	$ (380)
[1] Taxes are not provided for foreign currency translation adjustments relating to investments in international subsidiaries that we intend to hold indefinitely.

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