Condensed Consolidated Statements of Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Premiums	$ 5,748	$ 6,614	$ 11,619	$ 12,990
Net investment income:
Total net investment income	990	837	1,969	1,681
Net realized gains (losses):
Net realized gains (losses)	(180)	(14)	(267)	(525)
Other income	2	(1)	2	(1)
Total revenues	6,560	7,436	13,323	14,145
Benefits, losses and expenses:
Losses and loss adjustment expenses incurred	3,467	3,979	6,980	7,883
Amortization of deferred policy acquisition costs	842	933	1,680	1,972
General operating and other expenses	1,610	1,494	2,848	2,737
Interest expense	125	129	241	253
Loss on extinguishment of debt	1	0	1	0
Net (gain) loss on divestitures and other	(102)	15	(102)	12
Total benefits, losses and expenses	5,943	6,550	11,648	12,857
Income from continuing operations before income tax expense	617	886	1,675	1,288
Income tax expense	142	45	403	110
Income from continuing operations	475	841	1,272	1,178
Income (loss) from discontinued operations, net of income taxes	(4,359)	850	(3,556)	426
Net income (loss)	(3,884)	1,691	(2,284)	1,604
Less: Net income (loss) attributable to noncontrolling interests	93	198	477	81
Net income (loss) attributable to AIG	(3,977)	1,493	(2,761)	1,523
Less: Dividends on preferred stock and preferred stock redemption premiums	0	8	22	15
Net income (loss) attributable to AIG common shareholders	$ (3,977)	$ 1,485	$ (2,783)	$ 1,508
Basic:
Income from continuing operations (in dollars per share)	$ 0.72	$ 1.15	$ 1.86	$ 1.59
Income (loss) from discontinued operations (in dollars per share)	(6.74)	0.90	(6.00)	0.47
Net income (loss) attributable to AIG common shareholders (in dollars per share)	(6.02)	2.05	(4.14)	2.06
Diluted:
Income from continuing operations (in dollars per share)	0.71	1.14	1.85	1.58
Income (loss) from discontinued operations (in dollars per share)	(6.67)	0.89	(5.96)	0.47
Net income (loss) attributable to AIG common shareholders (in dollars per share)	$ (5.96)	$ 2.03	$ (4.11)	$ 2.05
Weighted average shares outstanding:
Basic (in shares)	661,092,967	725,754,549	671,834,907	732,175,533
Diluted (in shares)	666,955,168	730,547,112	677,458,343	737,290,694
Excluding Fortitude Re funds withheld assets
Net investment income:
Total net investment income	$ 957	$ 812	$ 1,897	$ 1,604
Net realized gains (losses):
Net realized gains (losses)	(187)	(65)	(246)	(382)
Fortitude Re funds withheld assets
Net investment income:
Total net investment income	33	25	72	77
Net realized gains (losses):
Net realized gains (losses)	(1)	(7)	(20)	(61)
Fortitude Re funds withheld embedded derivative
Net realized gains (losses):
Net realized gains (losses)	$ 8	$ 58	$ (1)	$ (82)