Consolidated Statement 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 earnings	$ 209	$ 200	$ 451	$ 412
Net unrealized gains (losses) on securities:
Unrealized holding gains (losses) on securities arising during the period	(13)	(52)	(8)	9
Reclassification adjustment for realized (gains) losses included in net earnings	1	1	5	24
Total net unrealized gains (losses) on securities	(12)	(51)	(3)	33
Net unrealized gains (losses) on cash flow hedges:
Unrealized holding gains (losses) on cash flow hedges arising during the period	(4)	(17)	(14)	(13)
Reclassification adjustment for investment income included in net earnings	6	5	11	9
Total net unrealized gains (losses) on cash flow hedges	2	(12)	(3)	(4)
Foreign currency translation adjustments	(6)	3	(6)	3
Other comprehensive income (loss), net of tax	(16)	(60)	(12)	32
Comprehensive income	$ 193	$ 140	$ 439	$ 444