Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 1,879	$ 1,826	$ 5,942	$ 6,341
Other comprehensive income (loss):
Net unrealized debt securities (losses) gains, net of tax	(39)	(8)	(92)	(31)
Foreign currency translation adjustments, net of hedges and tax	(200)	(83)	(377)	(81)
Net unrealized pension and other postretirement benefits, net of tax	5	9	37	44
Other comprehensive income (loss)	(234)	(82)	(432)	(68)
Comprehensive income	$ 1,645	$ 1,744	$ 5,510	$ 6,273