Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 33,364	$ 21,331	$ 11,588
Net change in foreign currency translation adjustments:
Foreign currency translation adjustments, net of tax of $(5), $(36), and $47	(819)	561	78
Reclassification adjustment for foreign currency translation included in “Other operating expense (income), net,” net of tax of $29, $0, and $0	0	0	(108)
Net foreign currency translation adjustments	(819)	561	(30)
Net change in unrealized gains (losses) on available-for-sale debt securities:
Unrealized gains (losses), net of tax of $(12), $(83), and $72	(343)	273	83
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” net of tax of $0, $8, and $13	(34)	(28)	(4)
Net unrealized gains (losses) on available-for-sale debt securities	(377)	245	79
Total other comprehensive income (loss)	(1,196)	806	49
Comprehensive income	$ 32,168	$ 22,137	$ 11,637