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	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)
Fair value and gross unrealized losses on AIG's available for sale securities
Fair Value, Less than 12 Months	$ 67,217	$ 23,825
Gross Unrealized Losses, Less than 12 Months	3,182	719
Fair Value, 12 Months or More	13,595	22,344
Gross Unrealized Losses, 12 Months or More	2,092	1,154
Fair Value, Total	80,812	46,169
Gross Unrealized Losses, Total	5,274	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	66,926	23,457
Gross Unrealized Losses, Less than 12 Months	3,158	666
Fair Value, 12 Months or More	13,595	22,278
Gross Unrealized Losses, 12 Months or More	2,092	1,153
Fair Value, Total	80,521	45,735
Gross Unrealized Losses, Total	$ 5,250	1,819
Number of securities in an unrealized loss position | item	14,972
Number of individual securities in continuous unrealized loss position for longer than twelve months | item	2,176
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	$ 483	526
Gross Unrealized Losses, Less than 12 Months	9	5
Fair Value, 12 Months or More	1	281
Gross Unrealized Losses, 12 Months or More	0	13
Fair Value, Total	484	807
Gross Unrealized Losses, Total	9	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	2,382	495
Gross Unrealized Losses, Less than 12 Months	87	9
Fair Value, 12 Months or More	268	794
Gross Unrealized Losses, 12 Months or More	17	40
Fair Value, Total	2,650	1,289
Gross Unrealized Losses, Total	104	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	4,327	1,606
Gross Unrealized Losses, Less than 12 Months	203	42
Fair Value, 12 Months or More	832	1,690
Gross Unrealized Losses, 12 Months or More	159	109
Fair Value, Total	5,159	3,296
Gross Unrealized Losses, Total	362	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	41,317	12,132
Gross Unrealized Losses, Less than 12 Months	2,514	450
Fair Value, 12 Months or More	5,428	11,570
Gross Unrealized Losses, 12 Months or More	1,473	672
Fair Value, Total	46,745	23,702
Gross Unrealized Losses, Total	3,987	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	7,215	4,621
Gross Unrealized Losses, Less than 12 Months	133	109
Fair Value, 12 Months or More	4,318	3,996
Gross Unrealized Losses, 12 Months or More	278	183
Fair Value, Total	11,533	8,617
Gross Unrealized Losses, Total	411	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	4,138	220
Gross Unrealized Losses, Less than 12 Months	108	1
Fair Value, 12 Months or More	573	2,087
Gross Unrealized Losses, 12 Months or More	21	58
Fair Value, Total	4,711	2,307
Gross Unrealized Losses, Total	129	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	7,064	3,857
Gross Unrealized Losses, Less than 12 Months	104	50
Fair Value, 12 Months or More	2,175	1,860
Gross Unrealized Losses, 12 Months or More	144	78
Fair Value, Total	9,239	5,717
Gross Unrealized Losses, Total	248	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	291	368
Gross Unrealized Losses, Less than 12 Months	24	53
Fair Value, 12 Months or More	0	66
Gross Unrealized Losses, 12 Months or More	0	1
Fair Value, Total	291	434
Gross Unrealized Losses, Total	$ 24	54
Number of securities in an unrealized loss position | item	174
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	$ 91	88
Gross Unrealized Losses, Less than 12 Months	16	16
Fair Value, 12 Months or More	0	2
Gross Unrealized Losses, 12 Months or More	0	1
Fair Value, Total	91	90
Gross Unrealized Losses, Total	16	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	200	280
Gross Unrealized Losses, Less than 12 Months	8	37
Fair Value, 12 Months or More	0	64
Gross Unrealized Losses, 12 Months or More	0	0
Fair Value, Total	200	344
Gross Unrealized Losses, Total	$ 8	$ 37