INFORMATION PROVIDED IN CONNECTION WITH OUTSTANDING DEBT (Details - Condensed Consolidating Statements of Comprehensive Income (Loss)) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ (6,672)	$ (1,713)	$ 1,118	$ 1,211	$ (2,506)	$ 436	$ 1,924	$ (203)	$ (6,056)	$ (349)	$ 2,222
Other Comprehensive Income (Loss)									2,235	693	(8,086)
Comprehensive income (loss)									(3,821)	344	(5,864)
Total comprehensive income (loss) attributable to noncontrolling interests									28	500	20
Comprehensive income (loss) attributable to AIG									(3,849)	(156)	(5,884)
AIG (As Guarantor)
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									(6,084)	(849)	2,196
Other Comprehensive Income (Loss)									2,235	693	(8,080)
Comprehensive income (loss)									(3,849)	(156)	(5,884)
Total comprehensive income (loss) attributable to noncontrolling interests									0	0	0
Comprehensive income (loss) attributable to AIG									(3,849)	(156)	(5,884)
AIGLH
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									1,929	(238)	1,907
Other Comprehensive Income (Loss)									7,851	4,080	2,320
Comprehensive income (loss)									9,780	3,842	4,227
Total comprehensive income (loss) attributable to noncontrolling interests									0	0	0
Comprehensive income (loss) attributable to AIG									9,780	3,842	4,227
Other Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									(85)	(728)	4,015
Other Comprehensive Income (Loss)									17,857	52,153	54,757
Comprehensive income (loss)									17,772	51,425	58,772
Total comprehensive income (loss) attributable to noncontrolling interests									28	500	20
Comprehensive income (loss) attributable to AIG									17,744	50,925	58,752
Reclassification and Eliminations
Condensed Financial Statements, Captions [Line Items]
Net income (loss)									(1,816)	1,466	(5,896)
Other Comprehensive Income (Loss)									(25,708)	(56,233)	(57,083)
Comprehensive income (loss)									(27,524)	(54,767)	(62,979)
Total comprehensive income (loss) attributable to noncontrolling interests									0	0	0
Comprehensive income (loss) attributable to AIG									$ (27,524)	$ (54,767)	$ (62,979)