INVESTMENTS (Details - Summary of fair value and gross unrealized losses on available for sale securities aggregated by major investment category and length of time in a continuous unrealized loss position) $ in Millions	Sep. 30, 2015 USD ($) security	Dec. 31, 2014 USD ($)
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	$ 52,643	$ 23,825
Gross Unrealized Losses, Less than 12 Months	2,375	719
Fair Value, 12 Months or More	12,406	22,344
Gross Unrealized Losses, 12 Months or More	1,426	1,154
Fair Value, Total	65,049	46,169
Gross Unrealized Losses, Total	3,801	1,873
Bonds available for sale
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	52,250	23,457
Gross Unrealized Losses, Less than 12 Months	2,329	666
Fair Value, 12 Months or More	12,384	22,278
Gross Unrealized Losses, 12 Months or More	1,418	1,153
Fair Value, Total	64,634	45,735
Gross Unrealized Losses, Total	$ 3,747	1,819
Number of securities in an unrealized loss position | security	12,631
Number of individual securities in continuous unrealized loss position for longer than twelve months | security	1,966
Bonds available for sale | U.S. government and government sponsored entities
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	$ 121	526
Gross Unrealized Losses, Less than 12 Months	2	5
Fair Value, 12 Months or More	1	281
Gross Unrealized Losses, 12 Months or More	0	13
Fair Value, Total	122	807
Gross Unrealized Losses, Total	2	18
Bonds available for sale | Obligations of states, municipalities and political subdivisions
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	3,190	495
Gross Unrealized Losses, Less than 12 Months	103	9
Fair Value, 12 Months or More	259	794
Gross Unrealized Losses, 12 Months or More	17	40
Fair Value, Total	3,449	1,289
Gross Unrealized Losses, Total	120	49
Bonds available for sale | Non-U.S. government
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	4,140	1,606
Gross Unrealized Losses, Less than 12 Months	194	42
Fair Value, 12 Months or More	725	1,690
Gross Unrealized Losses, 12 Months or More	136	109
Fair Value, Total	4,865	3,296
Gross Unrealized Losses, Total	330	151
Bonds available for sale | Corporate debt
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	32,818	12,132
Gross Unrealized Losses, Less than 12 Months	1,858	450
Fair Value, 12 Months or More	4,664	11,570
Gross Unrealized Losses, 12 Months or More	904	672
Fair Value, Total	37,482	23,702
Gross Unrealized Losses, Total	2,762	1,122
Bonds available for sale | Residential mortgage backed securities (RMBS)
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	5,056	4,621
Gross Unrealized Losses, Less than 12 Months	82	109
Fair Value, 12 Months or More	4,146	3,996
Gross Unrealized Losses, 12 Months or More	230	183
Fair Value, Total	9,202	8,617
Gross Unrealized Losses, Total	312	292
Bonds available for sale | Commercial mortgage-backed securities (CMBS)
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	2,239	220
Gross Unrealized Losses, Less than 12 Months	46	1
Fair Value, 12 Months or More	571	2,087
Gross Unrealized Losses, 12 Months or More	26	58
Fair Value, Total	2,810	2,307
Gross Unrealized Losses, Total	72	59
Bonds available for sale | Collateralized Debt Obligations/Asset-Backed Securities (CDO/ABS)
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	4,686	3,857
Gross Unrealized Losses, Less than 12 Months	44	50
Fair Value, 12 Months or More	2,018	1,860
Gross Unrealized Losses, 12 Months or More	105	78
Fair Value, Total	6,704	5,717
Gross Unrealized Losses, Total	149	128
Equity securities available for sale
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	393	368
Gross Unrealized Losses, Less than 12 Months	46	53
Fair Value, 12 Months or More	22	66
Gross Unrealized Losses, 12 Months or More	8	1
Fair Value, Total	415	434
Gross Unrealized Losses, Total	$ 54	54
Number of securities in an unrealized loss position | security	198
Equity securities available for sale | Common Stock
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	$ 96	88
Gross Unrealized Losses, Less than 12 Months	18	16
Fair Value, 12 Months or More	6	2
Gross Unrealized Losses, 12 Months or More	0	1
Fair Value, Total	102	90
Gross Unrealized Losses, Total	18	17
Equity securities available for sale | Preferred Stock
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	0	0
Gross Unrealized Losses, Less than 12 Months	0	0
Fair Value, 12 Months or More	0	0
Gross Unrealized Losses, 12 Months or More	0	0
Fair Value, Total	0	0
Gross Unrealized Losses, Total	0	0
Equity securities available for sale | Mutual Funds
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	297	280
Gross Unrealized Losses, Less than 12 Months	28	37
Fair Value, 12 Months or More	16	64
Gross Unrealized Losses, 12 Months or More	8	0
Fair Value, Total	313	344
Gross Unrealized Losses, Total	$ 36	$ 37