CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 6,836	$ 6,657
Other comprehensive income:
Change in foreign currency translation adjustment	(550)	(36)
Available-for-sale investments:
Change in net unrealized gains (losses)	498	719
Less: reclassification adjustment for net (gains) losses included in net income	(169)	7
Net change (net of tax effect of $88 and $81)	329	726
Cash flow hedges:
Change in net unrealized gains (losses)	378	(30)
Less: reclassification adjustment for net (gains) losses included in net income	(22)	(104)
Net change (net of tax effect of $1 and $81)	356	(134)
Other comprehensive income	135	556
Comprehensive income	$ 6,971	$ 7,213

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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