INFORMATION PROVIDED IN CONNECTION WITH OUTSTANDING DEBT (Details - Condensed Consolidating Statements of Comprehensive Income (Loss)) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ (1,259)	$ (1,713)	$ 621	$ 616
Other comprehensive income (loss)	(766)	977	(5,425)	2,709
Comprehensive income (loss)	(2,025)	(736)	(4,804)	3,325
Total comprehensive income (loss) attributable to noncontrolling interests	0	26	5	40
Comprehensive income (loss) attributable to AIG	(2,025)	(762)	(4,809)	3,285
AIG (As Guarantor)
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(1,259)	(1,739)	616	576
Other comprehensive income (loss)	(766)	977	(5,425)	2,709
Comprehensive income (loss)	(2,025)	(762)	(4,809)	3,285
Total comprehensive income (loss) attributable to noncontrolling interests	0	0	0	0
Comprehensive income (loss) attributable to AIG	(2,025)	(762)	(4,809)	3,285
Validus Holding Ltd [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(82)	0	(82)	0
Other comprehensive income (loss)	0	0	0	0
Comprehensive income (loss)	(82)	0	(82)	0
Total comprehensive income (loss) attributable to noncontrolling interests	0	0	0	0
Comprehensive income (loss) attributable to AIG	(82)	0	(82)	0
AIGLH
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	1,306	1,129	2,459	2,526
Other comprehensive income (loss)	(301)	1,274	3,139	7,056
Comprehensive income (loss)	1,005	2,403	5,598	9,582
Total comprehensive income (loss) attributable to noncontrolling interests	0	0	0	0
Comprehensive income (loss) attributable to AIG	1,005	2,403	5,598	9,582
Other Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(822)	(2,205)	921	567
Other comprehensive income (loss)	(1,436)	(30,625)	12,568	18,864
Comprehensive income (loss)	(2,258)	(32,830)	13,489	19,431
Total comprehensive income (loss) attributable to noncontrolling interests	0	26	5	40
Comprehensive income (loss) attributable to AIG	(2,258)	(32,856)	13,484	19,391
Reclassification and Eliminations
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(402)	1,102	(3,293)	(3,053)
Other comprehensive income (loss)	1,737	29,351	(15,707)	(25,920)
Comprehensive income (loss)	1,335	30,453	(19,000)	(28,973)
Total comprehensive income (loss) attributable to noncontrolling interests	0	0	0	0
Comprehensive income (loss) attributable to AIG	$ 1,335	$ 30,453	$ (19,000)	$ (28,973)