Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 2,451	$ 1,879	$ 6,441	$ 5,942
Other comprehensive income (loss):
Net unrealized debt securities gains (losses), net of tax	14	(39)	34	(92)
Foreign currency translation adjustments, net of hedges and tax	(110)	(200)	(57)	(377)
Net unrealized pension and other postretirement benefits, net of tax	4	5	57	37
Other comprehensive income (loss)	(92)	(234)	34	(432)
Comprehensive income	$ 2,359	$ 1,645	$ 6,475	$ 5,510