Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Premiums	$ 7,668	$ 8,063	$ 22,150	$ 23,459
Policy fees	530	728	2,057	2,177
Net investment income	3,396	3,416	9,722	10,715
Net realized capital losses:
Total other-than-temporary impairments on available for sale securities	(13)	(66)	(116)	(138)
Portion of other-than-temporary impairments on available for sale fixed maturity securities recognized in Other comprehensive income (loss)	(22)	(8)	(42)	(57)
Net other-than-temporary impairments on available for sale securities recognized in net income (loss)	(35)	(74)	(158)	(195)
Other realized capital losses	(476)	(848)	(207)	(911)
Total net realized capital losses	(511)	(922)	(365)	(1,106)
Other income	403	466	1,265	1,640
Total revenues	11,486	11,751	34,829	36,885
Benefits, losses and expenses:
Policyholder benefits and losses incurred	8,312	10,322	19,484	22,653
Interest credited to policyholder account balances	933	867	2,784	2,683
Amortization of deferred policy acquisition costs	1,118	912	3,813	3,135
General operating and other expenses	2,325	2,149	6,919	6,774
Interest expense	326	290	902	880
(Gain) loss on extinguishment of debt	1	1	10	(4)
Net (gain) loss on sale of divested businesses	(2)	13	(35)	173
Total benefits, losses and expenses	13,013	14,554	33,877	36,294
Income (loss) from continuing operations before income tax expense (benefit)	(1,527)	(2,803)	952	591
Income tax expense (benefit)	(307)	(1,091)	291	(18)
Income (loss) from continuing operations	(1,220)	(1,712)	661	609
Income (loss) from discontinued operations, net of income tax expense	(39)	(1)	(40)	7
Net income (loss)	(1,259)	(1,713)	621	616
Less:
Net income (loss) from continuing operations attributable to noncontrolling interests	0	26	5	40
Net income (loss) attributable to AIG	$ (1,259)	$ (1,739)	$ 616	$ 576
Basic:
Income (loss) from continuing operations	$ (1.37)	$ (1.91)	$ 0.72	$ 0.6
Income (loss) from discontinued operations	(0.04)	0	(0.04)	0.01
Net income (loss) attributable to AIG common shareholders	(1.41)	(1.91)	0.68	0.61
Diluted:
Income (loss) from continuing operations	(1.37)	(1.91)	0.71	0.59
Income (loss) from discontinued operations	(0.04)	0	(0.04)	0.01
Net income (loss) attributable to AIG common shareholders	$ (1.41)	$ (1.91)	$ 0.67	$ 0.6
Weighted average shares outstanding:
Basic	895,237,359	908,667,044	902,081,555	938,130,832
Diluted	895,237,359	908,667,044	916,818,269	961,295,946
Dividends declared per common share	$ 0.32	$ 0.32	$ 0.96	$ 0.96