CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 548	$ 1,031	$ 2,065	$ 2,059
Other comprehensive income (loss), net of tax:
Net unrealized gains (losses) on securities	(873)	(339)	(2,502)	(538)
Net unrealized gains (losses) on derivatives	0	0	(1)	0
Defined benefit plans	1	0	1	29
Foreign currency translation adjustment	(127)	(22)	(295)	(21)
Total other comprehensive income (loss), net of tax	(999)	(361)	(2,797)	(530)
Total comprehensive income (loss)	$ (451)	$ 670	$ (732)	$ 1,529