Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 212	$ 290
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	61	(247)
Reclassification adjustment for realized (gains) losses included in net earnings	23	2
Total net unrealized gains (losses) on securities	84	(245)
Net unrealized gains (losses) on cash flow hedges:
Unrealized holding gains (losses) on cash flow hedges arising during the period	4	(3)
Reclassification adjustment for investment income included in net earnings	4	(1)
Total net unrealized gains (losses) on cash flow hedges	8	(4)
Foreign currency translation adjustments	0	(1)
Other comprehensive income (loss), net of tax	92	(250)
Comprehensive income	$ 304	$ 40