Consolidated Statements of Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Premiums	$ 23,537	$ 25,564	$ 26,765
Net investment income:
Total net investment income	4,255	3,446	2,370
Net realized gains (losses):
Net realized gains (losses)	(548)	(1,078)	827
Other income	7	6	34
Total revenues	27,251	27,938	29,996
Benefits, losses and expenses:
Losses and loss adjustment expenses incurred	14,567	15,393	15,461
Amortization of deferred policy acquisition costs	3,425	3,771	3,545
General operating and other expenses	5,529	5,399	6,159
Interest expense	462	516	603
(Gain) loss on extinguishment of debt	14	(37)	303
Net (gain) loss on divestitures and other	(616)	29	153
Total benefits, losses and expenses	23,381	25,071	26,224
Income from continuing operations before income tax expense	3,870	2,867	3,772
Income tax expense:
Current	657	176	(452)
Deferred	513	(50)	1,334
Income tax expense	1,170	126	882
Income from continuing operations	2,700	2,741	2,890
Income (loss) from discontinued operations, net of income taxes	(3,626)	1,137	8,383
Net income (loss)	(926)	3,878	11,273
Less: Net income attributable to noncontrolling interests	478	235	1,046
Net income (loss) attributable to AIG	(1,404)	3,643	10,227
Less: Dividends on preferred stock and preferred stock redemption premiums	22	29	29
Net income (loss) attributable to AIG common shareholders	$ (1,426)	$ 3,614	$ 10,198
Basic:
Income (loss) from continuing operations (in dollars per share)	$ 4.11	$ 3.77	$ 3.67
Income (loss) from discontinued operations (in dollars per share)	(6.30)	1.25	9.43
Net income (loss) attributable to AIG common shareholders (in dollars per share)	(2.19)	5.02	13.10
Diluted:
Income (loss) from continuing operations (in dollars per share)	4.07	3.74	3.63
Income (loss) from discontinued operations (in dollars per share)	(6.24)	1.24	9.31
Net income (loss) attributable to AIG common shareholders (in dollars per share)	$ (2.17)	$ 4.98	$ 12.94
Weighted average shares outstanding:
Basic (in shares)	651,448,307	719,506,291	778,621,118
Diluted (in shares)	657,283,160	725,233,068	787,941,750
Excluding Fortitude Re funds withheld assets
Net investment income:
Total net investment income	$ 4,111	$ 3,266	$ 2,317
Net realized gains (losses):
Net realized gains (losses)	(434)	(734)	(207)
Fortitude Re funds withheld assets
Net investment income:
Total net investment income	144	180	53
Net realized gains (losses):
Net realized gains (losses)	(39)	(71)	(99)
Fortitude Re funds withheld embedded derivative
Net realized gains (losses):
Net realized gains (losses)	$ (75)	$ (273)	$ 1,133