Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 200	$ 167	$ 412	$ 457
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	(52)	(225)	9	(472)
Reclassification adjustment for realized (gains) losses included in net earnings	1	8	24	10
Total net unrealized gains (losses) on securities	(51)	(217)	33	(462)
Net unrealized gains (losses) on cash flow hedges:
Unrealized holding gains (losses) on cash flow hedges arising during the period	(17)	(2)	(13)	(6)
Reclassification adjustment for investment income included in net earnings	5	(2)	9	(2)
Total net unrealized gains (losses) on cash flow hedges	(12)	(4)	(4)	(8)
Foreign currency translation adjustments	3	4	3	3
Other comprehensive income (loss), net of tax	(60)	(217)	32	(467)
Comprehensive income (loss)	$ 140	$ (50)	$ 444	$ (10)