Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Premiums	$ 30,614	$ 31,374	$ 34,393
Policy fees	2,791	2,935	2,732
Net investment income	12,476	14,179	14,065
Net realized capital losses:
Total other-than-temporary impairments on available for sale securities	(190)	(196)	(458)
Portion of other-than-temporary impairments on available for sale fixed maturity securities recognized in Other comprehensive income (loss)	(61)	(31)	(29)
Net other-than-temporary impairments on available for sale securities recognized in net income (loss)	(251)	(227)	(487)
Other realized capital gains (losses)	121	(1,153)	(1,457)
Total net realized capital gains (losses)	(130)	(1,380)	(1,944)
Other income	1,638	2,412	3,121
Total revenues	47,389	49,520	52,367
Benefits, losses and expenses:
Policyholder benefits and losses incurred	27,412	29,972	32,437
Interest credited to policyholder account balances	3,754	3,592	3,705
Amortization of deferred policy acquisition costs	5,386	4,288	4,521
General operating and other expenses	9,302	9,107	10,989
Interest expense	1,309	1,168	1,260
(Gain) loss on extinguishment of debt	7	(5)	74
Net gain on sale of divested businesses	(38)	(68)	(545)
Total benefits, losses and expenses	47,132	48,054	52,441
Income (loss) from continuing operations before income tax expense	257	1,466	(74)
Income tax expense:
Current	336	636	576
Deferred	(182)	6,890	(391)
Income tax expense	154	7,526	185
Income (loss) from continuing operations	103	(6,060)	(259)
Income (loss) from discontinued operations, net of income tax expense	(42)	4	(90)
Net income (loss)	61	(6,056)	(349)
Less:
Net income from continuing operations attributable to noncontrolling interests	67	28	500
Net loss attributable to AIG	$ (6)	$ (6,084)	$ (849)
Basic:
Income (loss) from continuing operations	$ 0.04	$ (6.54)	$ (0.7)
Loss from discontinued operations	(0.05)	0	(0.08)
Net loss attributable to AIG	(0.01)	(6.54)	(0.78)
Diluted:
Income (loss) from continuing operations	0.04	(6.54)	(0.7)
Loss from discontinued operations	(0.05)	0	(0.08)
Net loss attributable to AIG	$ (0.01)	$ (6.54)	$ (0.78)
Weighted average shares outstanding:
Basic	898,405,537	930,561,286	1,091,085,131
Diluted	910,141,242	930,561,286	1,091,085,131