Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 3,015	$ 2,174	$ 5,452	$ 3,990
Other comprehensive income (loss):
Net unrealized debt securities gains (losses), net of tax	3	1	4	20
Foreign currency translation adjustments, net of hedges and tax	(49)	25	(136)	53
Net unrealized pension and other postretirement benefits, net of tax	1	(4)	4	53
Other comprehensive income (loss)	(45)	22	(128)	126
Comprehensive income	$ 2,970	$ 2,196	$ 5,324	$ 4,116