Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,569	$ 1,781	$ 4,391	$ 4,222
Other comprehensive income (loss) before income taxes:
Unrealized foreign currency translation gains (losses) during period	(194)	(438)	(674)	(1,641)
Unrealized gains (losses) on fixed maturity securities:
Unrealized holding gains (losses) on fixed maturity securities during period	(2,978)	(2,220)	489	(10,473)
Reclassification adjustment for (gains) losses on fixed maturity securities included in net earnings	(41)	(58)	(125)	(252)
Unrealized gains (losses) on derivatives during period	1	1	4	2
Effect of changes in discount rate assumptions during period	5,309	3,073	1,563	14,883
Pension liability adjustment during period	1	2	68	10
Total other comprehensive income (loss) before income taxes	2,098	360	1,325	2,529
Income tax expense (benefit) related to items of other comprehensive income (loss)	520	885	656	1,623
Other comprehensive income (loss), net of income taxes	1,578	(525)	669	906
Total comprehensive income (loss)	$ 3,147	$ 1,256	$ 5,060	$ 5,128