Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	Total AIG Share- holders' Equity	Preferred Stock and Additional Paid-in Capital	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non- redeemable Non- controlling Interests
Balance, beginning of period at Dec. 31, 2022	$ 43,454	$ 40,970	$ 485	$ 4,766	$ (56,473)	$ 79,915	$ 34,893	$ (22,616)	$ 2,484
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued under stock plans	(125)	(125)			298	(423)
Purchase of common stock	(3,014)	(3,014)			(3,014)
Net income (loss) attributable to AIG or noncontrolling interests	3,878	3,643					3,643		235
Dividends on preferred stock	(29)	(29)					(29)
Dividends on common stock	(997)	(997)					(997)
Other comprehensive income	5,940	4,641						4,641	1,299
Net increase (decrease) due to divestitures and acquisitions	2,669	145				(3,793)		3,938	2,524
Contributions from noncontrolling interests	49								49
Distributions to noncontrolling interests	(710)								(710)
Other	186	117				111	6		69
Balance, end of period at Dec. 31, 2023	51,301	45,351	485	4,766	(59,189)	75,810	37,516	(14,037)	5,950
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued under stock plans	5	5			329	(324)
Redemption of preferred stock	(485)	(485)	(485)
Purchase of common stock	(6,713)	(6,713)			(6,713)
Net income (loss) attributable to AIG or noncontrolling interests	(926)	(1,404)					(1,404)		478
Dividends on preferred stock and preferred stock redemption premiums	(22)	(22)					(22)
Dividends on common stock	(1,002)	(1,002)					(1,002)
Other comprehensive income	6,105	6,401						6,401	(296)
Net increase (decrease) due to divestitures and acquisitions	(5,896)	119				(418)		537	(6,015)
Contributions from noncontrolling interests	28								28
Distributions to noncontrolling interests	(72)								(72)
Other	227	271				280	(9)		(44)
Balance, end of period at Dec. 31, 2024	42,550	42,521	0	4,766	(65,573)	75,348	35,079	(7,099)	29
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued under stock plans	64	64			249	(185)
Purchase of common stock	(5,875)	(5,875)			(5,875)
Net income (loss) attributable to AIG or noncontrolling interests	3,097	3,096					3,096		1
Dividends on common stock	(976)	(976)					(976)
Other comprehensive income	2,112	2,112						2,112
Distributions to noncontrolling interests	(8)								(8)
Other	198	197				210	(13)		1
Balance, end of period at Dec. 31, 2025	$ 41,162	$ 41,139	$ 0	$ 4,766	$ (71,199)	$ 75,373	$ 37,186	$ (4,987)	$ 23