Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 747	$ 763	$ 1,351	$ 1,282
Other comprehensive income (loss), net of related taxes:
Foreign currency translation, net of related taxes of $53 and ($8), respectively	(446)	49	(544)	(151)
Net unrealized losses on available-for-sale securities, net of reclassification adjustment and net of related taxes of ($233) and ($14), respectively	(618)	(35)	(2,063)	(460)
Net unrealized gains (losses) on available-for-sale securities designated in fair value hedges, net of related taxes of $42 and ($5), respectively	113	(16)	270	(4)
Net unrealized losses on cash flow hedges, net of related taxes of ($17) and ($4), respectively	(40)	(4)	(234)	(4)
Net unrealized gains on retirement plans, net of related taxes of $1 and $1, respectively	2	2	17	10
Other comprehensive loss	(989)	(4)	(2,554)	(609)
Total comprehensive income (loss)	$ (242)	$ 759	$ (1,203)	$ 673