Consolidated Statement of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Tax provision (benefit) on currency translation adjustment	$ 231	$ (221)	$ 25
Tax benefit on unrealized holding losses on hedging instruments arising during the period	0	20	12
Tax benefit on reclassification adjustment for losses on hedging instruments recognized in net income	17	14	6
Tax provision (benefit) on pension and other postretirement benefit liability adjustments arising during the period	11	(1)	(31)
Tax benefit on amortization of net loss and prior service benefit included in net periodic pension cost	$ 6	$ 4	$ 2