INFORMATION PROVIDED IN CONNECTION WITH OUTSTANDING DEBT (Details - Condensed Consolidating Statements of Income (Loss)) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Equity in earnings of consolidated subsidiaries									$ 0	$ 0	$ 0
Other income									47,389	49,520	52,367
Total revenues	$ 12,560	$ 11,486	$ 11,631	$ 11,712	$ 12,635	$ 11,751	$ 12,502	$ 12,632	47,389	49,520	52,367
Expenses:
Interest expense									1,309	1,168	1,260
(Gains) losses on extinguishment of debt	3	(1)	(5)	(4)	1	(1)	4	1	7	(5)	74
Other expenses									45,816	46,891	51,107
Total benefits, losses and expenses									47,132	48,054	52,441
Income (loss) from continuing operations before income tax expense (benefit)									257	1,466	(74)
Income tax expense (benefit)									154	7,526	185
Income (loss) from continuing operations									103	(6,060)	(259)
Income (loss) from discontinued operations	(2)	(39)	0	(1)	(3)	(1)	8	0	(42)	4	(90)
Net income (loss)	(560)	(1,259)	931	949	(6,672)	(1,713)	1,118	1,211	61	(6,056)	(349)
Less:
Net income from continuing operations attributable to noncontrolling interests	62	0	(6)	11	(12)	26	(12)	26	67	28	500
Net income (loss) attributable to AIG	$ (622)	$ (1,259)	$ 937	$ 938	$ (6,660)	$ (1,739)	$ 1,130	$ 1,185	(6)	(6,084)	(849)
AIG (As Guarantor)
Revenues:
Equity in earnings of consolidated subsidiaries									(580)	(149)	(1,269)
Other income									938	891	516
Total revenues									358	742	(753)
Expenses:
Interest expense									954	949	988
(Gains) losses on extinguishment of debt									0	2	77
Other expenses									803	952	295
Total benefits, losses and expenses									1,757	1,903	1,360
Income (loss) from continuing operations before income tax expense (benefit)									(1,399)	(1,161)	(2,113)
Income tax expense (benefit)									(1,433)	4,922	(1,301)
Income (loss) from continuing operations									34	(6,083)	(812)
Income (loss) from discontinued operations									(40)	(1)	(37)
Net income (loss)									(6)	(6,084)	(849)
Less:
Net income from continuing operations attributable to noncontrolling interests									0	0	0
Net income (loss) attributable to AIG									(6)	(6,084)	(849)
Validus Holdings, Ltd
Revenues:
Equity in earnings of consolidated subsidiaries									(240)
Other income									23
Total revenues									(217)
Expenses:
Interest expense									18
(Gains) losses on extinguishment of debt									0
Other expenses									27
Total benefits, losses and expenses									45
Income (loss) from continuing operations before income tax expense (benefit)									(262)
Income tax expense (benefit)									0
Income (loss) from continuing operations									(262)
Income (loss) from discontinued operations									0
Net income (loss)									(262)
Less:
Net income from continuing operations attributable to noncontrolling interests									0
Net income (loss) attributable to AIG									(262)
AIGLH
Revenues:
Equity in earnings of consolidated subsidiaries									2,847	1,978	(197)
Other income									1	0	5
Total revenues									2,848	1,978	(192)
Expenses:
Interest expense									50	50	51
(Gains) losses on extinguishment of debt									0	0	0
Other expenses									3	2	16
Total benefits, losses and expenses									53	52	67
Income (loss) from continuing operations before income tax expense (benefit)									2,795	1,926	(259)
Income tax expense (benefit)									39	(3)	(21)
Income (loss) from continuing operations									2,756	1,929	(238)
Income (loss) from discontinued operations									0	0	0
Net income (loss)									2,756	1,929	(238)
Less:
Net income from continuing operations attributable to noncontrolling interests									0	0	0
Net income (loss) attributable to AIG									2,756	1,929	(238)
Other Subsidiaries
Revenues:
Equity in earnings of consolidated subsidiaries									0	0	0
Other income									46,506	48,802	52,875
Total revenues									46,506	48,802	52,875
Expenses:
Interest expense									302	176	227
(Gains) losses on extinguishment of debt									7	(7)	(3)
Other expenses									45,048	46,116	51,819
Total benefits, losses and expenses									45,357	46,285	52,043
Income (loss) from continuing operations before income tax expense (benefit)									1,149	2,517	832
Income tax expense (benefit)									1,548	2,607	1,507
Income (loss) from continuing operations									(399)	(90)	(675)
Income (loss) from discontinued operations									(2)	5	(53)
Net income (loss)									(401)	(85)	(728)
Less:
Net income from continuing operations attributable to noncontrolling interests									67	28	500
Net income (loss) attributable to AIG									(468)	(113)	(1,228)
Reclassification and Eliminations
Revenues:
Equity in earnings of consolidated subsidiaries									(2,027)	(1,829)	1,466
Other income									(79)	(173)	(1,029)
Total revenues									(2,106)	(2,002)	437
Expenses:
Interest expense									(15)	(7)	(6)
(Gains) losses on extinguishment of debt									0	0	0
Other expenses									(65)	(179)	(1,023)
Total benefits, losses and expenses									(80)	(186)	(1,029)
Income (loss) from continuing operations before income tax expense (benefit)									(2,026)	(1,816)	1,466
Income tax expense (benefit)									0	0	0
Income (loss) from continuing operations									(2,026)	(1,816)	1,466
Income (loss) from discontinued operations									0	0	0
Net income (loss)									(2,026)	(1,816)	1,466
Less:
Net income from continuing operations attributable to noncontrolling interests									0	0	0
Net income (loss) attributable to AIG									$ (2,026)	$ (1,816)	$ 1,466