INVESTMENTS (Details - Summarized financial information of AIG's equity method investees) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Total revenues	$ 52,057	$ 43,736	$ 49,746
Net income (loss) attributable to AIG	9,388	(5,944)	3,348
Total assets	596,112	586,481
Total liabilities	(527,200)	(519,282)
Other Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Total revenues	31,560	13,090	8,045
Total expenses	(2,241)	(2,897)	(3,115)
Net income (loss) attributable to AIG	29,319	10,193	$ 4,930
Total assets	105,837	85,083
Total liabilities	(12,779)	(10,462)
Equity method investments	$ 5,145	$ 4,548