Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 10,129	$ 8,374	$ 7,514
Other comprehensive income (loss):
Net unrealized debt securities gains (losses), net of tax	5	50	(87)
Foreign currency translation adjustments, net of hedges and tax	(353)	51	(230)
Net unrealized pension and other postretirement benefits, net of tax	25	37	52
Other comprehensive income (loss)	(323)	138	(265)
Comprehensive income	$ 9,806	$ 8,512	$ 7,249