Schedule II Condensed Financial Information of Registrant - Parent Company Only (Details - Statements of Income) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Net realized capital gains (losses)									$ (1,944)	$ 776	$ 739
Other income									3,121	4,088	6,117
Expenses
Interest expense									1,260	1,281	1,718
Net (gains) losses on extinguishment of debt	$ (2)	$ (14)	$ 7	$ 83	$ 0	$ 346	$ 342	$ 68	74	756	2,282
Net (gain) loss on sale of properties and divested businesses	194	128	225	(2)	(1)	(3)	(1)	(6)	(545)	11	(2,197)
Income from continuing operations before income tax expense (benefit)	(3,455)	737	2,858	(214)	(2,932)	(115)	2,552	3,776	(74)	3,281	10,501
Income tax expense (benefit)									185	1,059	2,927
Net income (loss) attributable to AIG common shareholders from continuing operations									(759)	2,196	7,579
Income (loss) from discontinued operations	(36)	3	(10)	(47)	0	(17)	16	1	(90)	0	(50)
Net income (loss) attributable to AIG	(3,041)	$ 462	$ 1,913	$ (183)	$ (1,841)	$ (231)	$ 1,800	$ 2,468	(849)	2,196	7,529
United Guaranty
Expenses
Net (gain) loss on sale of properties and divested businesses	$ (697)
Parent Company [Member]
Revenues:
Equity in undistributed net income (loss) of consolidated subsidiaries									(8,633)	(2,929)	(5,573)
Dividend income from consolidated subsidiaries									7,364	6,883	15,023
Interest income									411	342	305
Net realized capital gains (losses)									2	(587)	8
Other income									103	333	1,345
Expenses
Interest expense									988	1,049	1,507
Net (gains) losses on extinguishment of debt									77	703	2,248
Net (gain) loss on sale of properties and divested businesses									(690)	11	(42)
Other expenses									985	1,167	1,588
Income from continuing operations before income tax expense (benefit)									(2,113)	1,112	5,807
Income tax expense (benefit)									(1,301)	(1,086)	(1,735)
Net income (loss) attributable to AIG common shareholders from continuing operations									(812)	2,198	7,542
Income (loss) from discontinued operations									(37)	(2)	(13)
Net income (loss) attributable to AIG									$ (849)	$ 2,196	$ 7,529