Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Comprehensive Income
Net Income	$ 3,696	$ 2,938	$ 2,225
Currency translation adjustment:
Currency translation adjustment (net of tax provision (benefit) of $25, $84 and $(145))	(107)	(434)	588
Reclassification adjustment for losses included in net income	30	0	0
Unrealized gains and losses on available-for-sale investments:
Unrealized holding losses arising during the period (net of tax benefit of $0, $0 and $0)	0	0	(1)
Reclassification adjustment for gains included in net income (net of tax provision of $0, $0 and $1)	0	0	(1)
Unrealized gains and losses on hedging instruments:
Unrealized losses on hedging instruments (net of tax benefit of $12, $0 and $0)	(38)	0	0
Reclassification adjustment for losses included in net income (net of tax benefit of $6, $3 and $5)	19	9	7
Pension and other postretirement benefit liability adjustments:
Pension and other postretirement benefit liability adjustments arising during the period (net of tax (benefit) provision of $(31), $2 and $7)	(93)	3	23
Amortization of net loss and prior service benefit included in net periodic pension cost (net of tax benefit of $2, $5 and $5)	8	15	17
Total other comprehensive items	(181)	(407)	633
Comprehensive Income	$ 3,515	$ 2,531	$ 2,858