Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 2,885	$ 3,015	$ 5,469	$ 5,452
Other comprehensive income (loss):
Net unrealized debt securities gains (losses), net of tax	0	3	3	4
Foreign currency translation adjustments, net of hedges and tax	115	(49)	132	(136)
Net unrealized pension and other postretirement benefits, net of tax	3	1	12	4
Other comprehensive income (loss)	118	(45)	147	(128)
Comprehensive income	$ 3,003	$ 2,970	$ 5,616	$ 5,324