Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ (93)	$ 1,569	$ 3,541	$ 4,391
Other comprehensive income (loss) before income taxes:
Unrealized foreign currency translation gains (losses) during period	788	(194)	(52)	(674)
Unrealized gains (losses) on fixed maturity securities:
Unrealized holding gains (losses) on fixed maturity securities during period	268	(2,978)	(457)	489
Reclassification adjustment for (gains) losses on fixed maturity securities included in net earnings	(53)	(41)	(271)	(125)
Unrealized gains (losses) on derivatives during period	2	1	3	4
Effect of changes in discount rate assumptions during period	(1,889)	5,309	3,157	1,563
Pension liability adjustment during period	(3)	1	0	68
Total other comprehensive income (loss) before income taxes	(887)	2,098	2,380	1,325
Income tax expense (benefit) related to items of other comprehensive income (loss)	(502)	520	537	656
Other comprehensive income (loss), net of income taxes	(385)	1,578	1,843	669
Total comprehensive income (loss)	$ (478)	$ 3,147	$ 5,384	$ 5,060