Consolidated Statements of Comprehensive Income (Loss) - 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	$ 1,634	$ 1,394	$ 2,822	$ 2,441
Other comprehensive income (loss) before income taxes:
Unrealized foreign currency translation gains (losses) during period	(439)	(751)	(482)	(1,203)
Unrealized gains (losses) on fixed maturity securities:
Unrealized holding gains (losses) on fixed maturity securities during period	890	(3,503)	3,468	(8,254)
Reclassification adjustment for (gains) losses on fixed maturity securities included in net earnings	(27)	(114)	(84)	(192)
Unrealized gains (losses) on derivatives during period	1	0	2	1
Effect of changes in discount rate assumptions during period	(209)	6,462	(3,745)	11,809
Pension liability adjustment during period	58	5	67	8
Total other comprehensive income (loss) before income taxes	274	2,099	(774)	2,169
Income tax expense (benefit) related to items of other comprehensive income (loss)	334	628	135	738
Other comprehensive income (loss), net of income taxes	(60)	1,471	(909)	1,431
Total comprehensive income (loss)	$ 1,574	$ 2,865	$ 1,913	$ 3,872