Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 2,902	$ 2,507	$ 8,371	$ 7,959
Other comprehensive income (loss):
Net unrealized debt securities gains (losses), net of tax	1	4	4	8
Foreign currency translation adjustments, net of hedges and tax	(6)	1	126	(135)
Net unrealized pension and other postretirement benefits, net of tax	4	0	16	4
Other comprehensive income (loss)	(1)	5	146	(123)
Comprehensive income	$ 2,901	$ 2,512	$ 8,517	$ 7,836