Consolidated Statement of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Statement of Comprehensive Income [Abstract]
Tax provision (benefit) on currency translation adjustment	$ (17)	$ (30)	$ 5	$ 15
Tax benefit on unrealized holding losses on hedging instruments arising during the period	1	0	20	0
Tax benefit on reclassification adjustment for losses on hedging instruments recognized in net income	1	1	2	2
Tax benefit on pension and other postretirement benefit liability adjustments arising during the period	6	4	1	4
Tax benefit on amortization of net loss and prior service benefit included in net periodic pension cost	$ 2	$ 1	$ 3	$ 2

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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