Consolidated Statements of Comprehensive Income (Loss) - 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	$ 1,755	$ 1,634	$ 3,634	$ 2,822
Other comprehensive income (loss) before income taxes:
Unrealized foreign currency translation gains (losses) during period	(340)	(439)	(838)	(482)
Unrealized gains (losses) on fixed maturity securities:
Unrealized holding gains (losses) on fixed maturity securities during period	(829)	890	(727)	3,468
Reclassification adjustment for (gains) losses on fixed maturity securities included in net earnings	(50)	(27)	(218)	(84)
Unrealized gains (losses) on derivatives during period	6	1	0	2
Effect of changes in discount rate assumptions during period	3,698	(209)	5,044	(3,745)
Pension liability adjustment during period	2	58	4	67
Total other comprehensive income (loss) before income taxes	2,487	274	3,265	(774)
Income tax expense (benefit) related to items of other comprehensive income (loss)	677	334	1,037	135
Other comprehensive income (loss), net of income taxes	1,810	(60)	2,228	(909)
Total comprehensive income (loss)	$ 3,565	$ 1,574	$ 5,862	$ 1,913