Consolidated Statement of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended
Apr. 03, 2021	Mar. 28, 2020
Statement of Comprehensive Income [Abstract]
Tax provision (benefit) on currency translation adjustment	$ 118	$ 22
Tax benefit on unrealized holding losses on hedging instruments arising during the period	0	19
Tax benefit on reclassification adjustment for losses on hedging instruments recognized in net income	4	1
Tax benefit (provision) on pension and other postretirement benefit liability adjustments arising during the period	(2)	(5)
Tax benefit on amortization of net loss and prior service benefit included in net periodic pension cost	$ 1	$ 1

Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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