Investments - Other Invested Assets – Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investments [Line Items]
Total revenues	$ 56,437	$ 52,057	$ 43,736
Net income	10,276	9,388	(5,944)
Total assets	526,634	596,112
Total liabilities	(484,399)	(527,200)
Equity method investments	5,963	5,145
Equity Method Investee
Investments [Line Items]
Total revenues	28,500	31,560	13,090
Total expenses	(2,789)	(2,241)	(2,897)
Net income	25,711	29,319	$ 10,193
Total assets	134,435	105,837
Total liabilities	$ (14,701)	$ (12,779)