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) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	$ 23,825	$ 64,881
Gross Unrealized Losses, Less than 12 Months	719	3,507
Fair Value, 12 Months or More	22,344	9,401
Gross Unrealized Losses, 12 Months or More	1,154	1,180
Fair Value, Total	46,169	74,282
Gross Unrealized Losses, Total	1,873	4,687
Bonds available for sale
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	23,457	64,411
Gross Unrealized Losses, Less than 12 Months	666	3,468
Fair Value, 12 Months or More	22,278	9,401
Gross Unrealized Losses, 12 Months or More	1,153	1,180
Fair Value, Total	45,735	73,812
Gross Unrealized Losses, Total	1,819	4,648
Number of securities in an unrealized loss position	6,394
Number of individual securities in continuous unrealized loss position for longer than twelve months	2,123
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	526	1,101
Gross Unrealized Losses, Less than 12 Months	5	34
Fair Value, 12 Months or More	281	42
Gross Unrealized Losses, 12 Months or More	13	5
Fair Value, Total	807	1,143
Gross Unrealized Losses, Total	18	39
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	495	6,134
Gross Unrealized Losses, Less than 12 Months	9	379
Fair Value, 12 Months or More	794	376
Gross Unrealized Losses, 12 Months or More	40	67
Fair Value, Total	1,289	6,510
Gross Unrealized Losses, Total	49	446
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	1,606	4,102
Gross Unrealized Losses, Less than 12 Months	42	217
Fair Value, 12 Months or More	1,690	710
Gross Unrealized Losses, 12 Months or More	109	141
Fair Value, Total	3,296	4,812
Gross Unrealized Losses, Total	151	358
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	12,132	38,495
Gross Unrealized Losses, Less than 12 Months	450	2,251
Fair Value, 12 Months or More	11,570	4,926
Gross Unrealized Losses, 12 Months or More	672	647
Fair Value, Total	23,702	43,421
Gross Unrealized Losses, Total	1,122	2,898
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	4,621	8,543
Gross Unrealized Losses, Less than 12 Months	109	349
Fair Value, 12 Months or More	3,996	1,217
Gross Unrealized Losses, 12 Months or More	183	124
Fair Value, Total	8,617	9,760
Gross Unrealized Losses, Total	292	473
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	220	3,191
Gross Unrealized Losses, Less than 12 Months	1	176
Fair Value, 12 Months or More	2,087	1,215
Gross Unrealized Losses, 12 Months or More	58	116
Fair Value, Total	2,307	4,406
Gross Unrealized Losses, Total	59	292
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	3,857	2,845
Gross Unrealized Losses, Less than 12 Months	50	62
Fair Value, 12 Months or More	1,860	915
Gross Unrealized Losses, 12 Months or More	78	80
Fair Value, Total	5,717	3,760
Gross Unrealized Losses, Total	128	142
Equity securities available for sale
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	368	470
Gross Unrealized Losses, Less than 12 Months	53	39
Fair Value, 12 Months or More	66	0
Gross Unrealized Losses, 12 Months or More	1	0
Fair Value, Total	434	470
Gross Unrealized Losses, Total	54	39
Number of securities in an unrealized loss position	118
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	88	96
Gross Unrealized Losses, Less than 12 Months	16	14
Fair Value, 12 Months or More	2	0
Gross Unrealized Losses, 12 Months or More	1	0
Fair Value, Total	90	96
Gross Unrealized Losses, Total	17	14
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	5
Gross Unrealized Losses, Less than 12 Months	0	1
Fair Value, 12 Months or More	0	0
Gross Unrealized Losses, 12 Months or More	0	0
Fair Value, Total	0	5
Gross Unrealized Losses, Total	0	1
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	280	369
Gross Unrealized Losses, Less than 12 Months	37	24
Fair Value, 12 Months or More	64	0
Gross Unrealized Losses, 12 Months or More	0	0
Fair Value, Total	344	369
Gross Unrealized Losses, Total	$ 37	$ 24