Condensed Consolidated Statements of Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Premiums	$ 5,945	$ 6,543	$ 17,564	$ 19,533
Net investment income:
Total net investment income	973	856	2,942	2,537
Net realized gains (losses):
Net realized gains (losses)	(167)	(135)	(434)	(660)
Other income	0	3	2	2
Total revenues	6,751	7,267	20,074	21,412
Benefits, losses and expenses:
Losses and loss adjustment expenses incurred	3,773	3,876	10,753	11,759
Amortization of deferred policy acquisition costs	863	922	2,543	2,894
General operating and other expenses	1,346	1,311	4,194	4,048
Interest expense	112	138	353	391
Loss on extinguishment of debt	0	21	1	21
Net (gain) loss on divestitures and other	8	(101)	(94)	(89)
Total benefits, losses and expenses	6,102	6,167	17,750	19,024
Income from continuing operations before income tax expense	649	1,100	2,324	2,388
Income tax expense	168	399	571	509
Income from continuing operations	481	701	1,753	1,879
Income (loss) from discontinued operations, net of income taxes	(24)	2,046	(3,580)	2,472
Net income (loss)	457	2,747	(1,827)	4,351
Less: Net income (loss) attributable to noncontrolling interests	(2)	720	475	801
Net income (loss) attributable to AIG	459	2,027	(2,302)	3,550
Less: Dividends on preferred stock and preferred stock redemption premiums	0	7	22	22
Net income (loss) attributable to AIG common shareholders	$ 459	$ 2,020	$ (2,324)	$ 3,528
Basic:
Income from continuing operations (in dollars per share)	$ 0.75	$ 0.97	$ 2.62	$ 2.56
Income (loss) from discontinued operations (in dollars per share)	(0.03)	1.86	(6.13)	2.30
Net income (loss) attributable to AIG common shareholders (in dollars per share)	0.72	2.83	(3.51)	4.86
Diluted:
Income from continuing operations (in dollars per share)	0.74	0.97	2.59	2.54
Income (loss) from discontinued operations (in dollars per share)	(0.03)	1.84	(6.07)	2.29
Net income (loss) attributable to AIG common shareholders (in dollars per share)	$ 0.71	$ 2.81	$ (3.48)	$ 4.83
Weighted average shares outstanding:
Basic (in shares)	641,621,768	712,598,496	661,691,554	725,579,999
Diluted (in shares)	647,365,442	718,727,312	667,355,069	731,033,045
Excluding Fortitude Re funds withheld assets
Net investment income:
Total net investment income	$ 922	$ 827	$ 2,819	$ 2,431
Net realized gains (losses):
Net realized gains (losses)	8	(189)	(238)	(571)
Fortitude Re funds withheld assets
Net investment income:
Total net investment income	51	29	123	106
Net realized gains (losses):
Net realized gains (losses)	(18)	(3)	(38)	(64)
Fortitude Re funds withheld embedded derivative
Net realized gains (losses):
Net realized gains (losses)	$ (157)	$ 57	$ (158)	$ (25)