Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	Total AIG Shareholders' Equity	Preferred Stock and Additional Paid-In Capital	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Non redeemable Non-controlling Interests
Balance at Dec. 31, 2020	$ 67,199	$ 66,362	$ 485	$ 4,766	$ (49,322)	$ 81,418	$ 15,504	$ 13,511	$ 837
Common stock issued under stock plans	(84)	(84)	0	0	171	(255)	0	0	0
Purchase of common stock	(362)	(362)	0	0	(362)	0	0	0	0
Net income attributable to AIG or noncontrolling interests	3,930	3,876	0	0	0	0	3,876	0	54
Dividends on preferred stock	(7)	(7)	0	0	0	0	(7)	0	0
Dividends on common stock	(276)	(276)	0	0	0	0	(276)	0	0
Other comprehensive loss	(7,045)	(7,045)	0	0	0	0	0	(7,045)	0
Net increase (decrease) due to divestitures and acquisitions	75	0	0	0	0	0	0	0	75
Contributions from noncontrolling interests	5	0	0	0	0	0	0	0	5
Distributions to noncontrolling interests	(90)	0	0	0	0	0	0	0	(90)
Other	215	215	0	0	101	90	24	0	0
Balance at Mar. 31, 2021	63,560	62,679	485	4,766	(49,412)	81,253	19,121	6,466	881
Balance at Dec. 31, 2021	68,912	65,956	485	4,766	(51,618)	81,851	23,785	6,687	2,956
Common stock issued under stock plans	(90)	(90)	0	0	230	(320)	0	0	0
Purchase of common stock	(1,403)	(1,403)	0	0	(1,403)	0	0	0	0
Net income attributable to AIG or noncontrolling interests	4,656	4,260	0	0	0	0	4,260	0	396
Dividends on preferred stock	(7)	(7)	0	0	0	0	(7)	0	0
Dividends on common stock	(258)	(258)	0	0	0	0	(258)	0	0
Other comprehensive loss	(13,648)	(12,587)	0	0	0	0	0	(12,587)	(1,061)
Net increase (decrease) due to divestitures and acquisitions	0	0	0	0	0	0	0	0	0
Contributions from noncontrolling interests	0	0	0	0	0	0	0	0	0
Distributions to noncontrolling interests	(132)	0	0	0	0	0	0	0	(132)
Other	73	73	0	0	0	89	(16)	0	0
Balance at Mar. 31, 2022	$ 58,103	$ 55,944	$ 485	$ 4,766	$ (52,791)	$ 81,620	$ 27,764	$ (5,900)	$ 2,159