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	Mar. 31, 2015	Dec. 31, 2014
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	$ 24,422	$ 23,825
Gross Unrealized Losses, Less than 12 Months	750	719
Fair Value, 12 Months or More	11,416	22,344
Gross Unrealized Losses, 12 Months or More	776	1,154
Fair Value, Total	35,838	46,169
Gross Unrealized Losses, Total	1,526	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	24,089	23,457
Gross Unrealized Losses, Less than 12 Months	695	666
Fair Value, 12 Months or More	11,416	22,278
Gross Unrealized Losses, 12 Months or More	776	1,153
Fair Value, Total	35,505	45,735
Gross Unrealized Losses, Total	1,471	1,819
Number of securities in an unrealized loss position	4,983
Number of individual securities in continuous unrealized loss position for longer than twelve months	1,351
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	120	526
Gross Unrealized Losses, Less than 12 Months	1	5
Fair Value, 12 Months or More	141	281
Gross Unrealized Losses, 12 Months or More	4	13
Fair Value, Total	261	807
Gross Unrealized Losses, Total	5	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	1,130	495
Gross Unrealized Losses, Less than 12 Months	14	9
Fair Value, 12 Months or More	460	794
Gross Unrealized Losses, 12 Months or More	22	40
Fair Value, Total	1,590	1,289
Gross Unrealized Losses, Total	36	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	1,605	1,606
Gross Unrealized Losses, Less than 12 Months	47	42
Fair Value, 12 Months or More	884	1,690
Gross Unrealized Losses, 12 Months or More	70	109
Fair Value, Total	2,489	3,296
Gross Unrealized Losses, Total	117	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	12,048	12,132
Gross Unrealized Losses, Less than 12 Months	449	450
Fair Value, 12 Months or More	4,563	11,570
Gross Unrealized Losses, 12 Months or More	398	672
Fair Value, Total	16,611	23,702
Gross Unrealized Losses, Total	847	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	5,540	4,621
Gross Unrealized Losses, Less than 12 Months	125	109
Fair Value, 12 Months or More	2,953	3,996
Gross Unrealized Losses, 12 Months or More	160	183
Fair Value, Total	8,493	8,617
Gross Unrealized Losses, Total	285	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	453	220
Gross Unrealized Losses, Less than 12 Months	3	1
Fair Value, 12 Months or More	603	2,087
Gross Unrealized Losses, 12 Months or More	28	58
Fair Value, Total	1,056	2,307
Gross Unrealized Losses, Total	31	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	3,193	3,857
Gross Unrealized Losses, Less than 12 Months	56	50
Fair Value, 12 Months or More	1,812	1,860
Gross Unrealized Losses, 12 Months or More	94	78
Fair Value, Total	5,005	5,717
Gross Unrealized Losses, Total	150	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	333	368
Gross Unrealized Losses, Less than 12 Months	55	53
Fair Value, 12 Months or More	0	66
Gross Unrealized Losses, 12 Months or More	0	1
Fair Value, Total	333	434
Gross Unrealized Losses, Total	55	54
Number of securities in an unrealized loss position	112
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	58	88
Gross Unrealized Losses, Less than 12 Months	11	16
Fair Value, 12 Months or More	0	2
Gross Unrealized Losses, 12 Months or More	0	1
Fair Value, Total	58	90
Gross Unrealized Losses, Total	11	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	275	280
Gross Unrealized Losses, Less than 12 Months	44	37
Fair Value, 12 Months or More	0	64
Gross Unrealized Losses, 12 Months or More	0	0
Fair Value, Total	275	344
Gross Unrealized Losses, Total	$ 44	$ 37