DEBT (Details - Total debt outstanding) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Interest rate (as a percent)		6.50%
Balance at the end of the period	$ 29,350		$ 31,217
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	29,350		31,217
2016	1,619
2017	1,171
2018	2,039
2019	1,195
2020	1,386
Thereafter	16,953
Borrowings of consolidated investments	5,000
Long-term debt excluding borrowings of consolidated investments	24,363
Uncollateralized and collateralized notes, bonds, loans and mortgages payable	108
Collateral posted	3,000		3,300
Uncollateralized Notes/Bonds/Loans Payable
Debt Instrument [Line Items]
Balance at the end of the period	0
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	0
Collateralized Loans and Mortgages Payable
Debt Instrument [Line Items]
Balance at the end of the period	108
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	108
AIGLH
Debt Instrument [Line Items]
Balance at the end of the period	706		820
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	706		820
AIG
Debt Instrument [Line Items]
Balance at the end of the period	19,876		21,190
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	19,876		21,190
AIG | Series AIGFP
Debt Instrument [Line Items]
Balance at the end of the period	31		33
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	31		33
AIG | MIP
Debt Instrument [Line Items]
Balance at the end of the period	1,372		2,870
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	1,372		2,870
Other Subsidiaries
Debt Instrument [Line Items]
Balance at the end of the period	8,768		9,207
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	8,768		9,207
Notes and bonds payable | AIG
Debt Instrument [Line Items]
Balance at the end of the period	17,136		15,821
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	17,136		15,821
Junior subordinated debt | AIG
Debt Instrument [Line Items]
Balance at the end of the period	1,337		2,466
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	$ 1,337		2,466
Other subsidiaries notes, bonds, loans and mortgages payable
Debt Instrument [Line Items]
Interest rates, high end of range (as a percent)	0.00%
Interest rate (as a percent)	0.06%
Balance at the end of the period	$ 2
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	2
2016	0
2017	2
2018	0
2019	0
2020	0
Thereafter	$ 0
Debt Instrument, Maturity, End Year	2017
Other subsidiaries notes, bonds, loans and mortgages payable | Other Subsidiaries
Maturities of long-term debt, excluding borrowings of consolidated investments
Uncollateralized and collateralized notes, bonds, loans and mortgages payable	$ 2
Other subsidiaries notes, bonds, loans and mortgages payable | Other Subsidiaries | Uncollateralized Notes/Bonds/Loans Payable
Debt Instrument [Line Items]
Balance at the end of the period	0
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	0
Other subsidiaries notes, bonds, loans and mortgages payable | Other Subsidiaries | Collateralized Loans and Mortgages Payable
Debt Instrument [Line Items]
Balance at the end of the period	2
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	2
Debt issued or guaranteed
Debt Instrument [Line Items]
Balance at the end of the period	24,361		27,476
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	24,361		27,476
2016	1,619
2017	1,169
2018	2,039
2019	1,195
2020	1,386
Thereafter	16,953
Uncollateralized Notes/Bonds/Loans Payable
Debt Instrument [Line Items]
Balance at the end of the period	19,285		19,106
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	19,285		19,106
2016	992
2017	192
2018	1,106
2019	1,105
2020	1,345
Thereafter	14,545
Uncollateralized Notes/Bonds/Loans Payable | AIG
Maturities of long-term debt, excluding borrowings of consolidated investments
Uncollateralized and collateralized notes, bonds, loans and mortgages payable	106
Uncollateralized Notes/Bonds/Loans Payable | AIG | Uncollateralized Notes/Bonds/Loans Payable
Debt Instrument [Line Items]
Balance at the end of the period	0
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	0
Uncollateralized Notes/Bonds/Loans Payable | AIG | Collateralized Loans and Mortgages Payable
Debt Instrument [Line Items]
Balance at the end of the period	106
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	$ 106
Uncollateralized Notes/Bonds/Loans Payable | Notes and bonds payable
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	2.30%
Interest rates, high end of range (as a percent)	8.13%
Balance at the end of the period	$ 17,136		15,570
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	17,136		15,570
2016	992
2017	192
2018	1,106
2019	999
2020	1,345
Thereafter	$ 12,502
Debt Instrument, Maturity, Start year	2016
Debt Instrument, Maturity, End Year	2097
Uncollateralized Notes/Bonds/Loans Payable | Notes and bonds payable | AIGLH
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	6.63%
Interest rates, high end of range (as a percent)	7.50%
Balance at the end of the period	$ 284		284
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	284		284
Thereafter	$ 284
Debt Instrument, Maturity, Start year	2025
Debt Instrument, Maturity, End Year	2029
Uncollateralized Notes/Bonds/Loans Payable | Subordinated debt
Debt Instrument [Line Items]
Interest rate (as a percent)	2.38%
Balance at the end of the period	$ 0		250
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	0		250
2016	0
2017	$ 0
Debt Instrument, Maturity, End Year	2015
Uncollateralized Notes/Bonds/Loans Payable | Junior subordinated debt
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	4.88%
Interest rates, high end of range (as a percent)	8.63%
Balance at the end of the period	$ 1,337		2,466
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	1,337		2,466
Thereafter	$ 1,337
Debt Instrument, Maturity, Start year	2037
Debt Instrument, Maturity, End Year	2058
Uncollateralized Notes/Bonds/Loans Payable | Junior subordinated debt | AIGLH
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	7.57%
Interest rates, high end of range (as a percent)	8.50%
Balance at the end of the period	$ 422		536
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	422		536
Thereafter	$ 422
Debt Instrument, Maturity, Start year	2030
Debt Instrument, Maturity, End Year	2046
Uncollateralized Notes/Bonds/Loans Payable | AIG Japan Holdings Kabushiki Kaisha
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	0.44%
Interest rates, high end of range (as a percent)	1.25%
Balance at the end of the period	$ 106		0
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	106		0
2019	$ 106
Debt Instrument, Maturity, Start year	2016
Debt Instrument, Maturity, End Year	2019
Borrowings supported by assets
Debt Instrument [Line Items]
Balance at the end of the period	$ 5,076		8,370
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	5,076		8,370
2016	627
2017	977
2018	933
2019	90
2020	41
Thereafter	2,408
Collateral posted	$ 2,400		3,500
Borrowings supported by assets | Notes and bonds payable
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	0.12%
Interest rates, high end of range (as a percent)	10.37%
Balance at the end of the period	$ 394		818
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	394		818
2016	192
2017	10
2018	123
2019	0
2020	0
Thereafter	$ 69
Debt Instrument, Maturity, Start year	2016
Debt Instrument, Maturity, End Year	2047
Borrowings supported by assets | Notes and bonds payable | Series AIGFP
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	0.16%
Interest rates, high end of range (as a percent)	7.50%
Balance at the end of the period	$ 34		34
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	34		34
2016	0
2017	10
2018	0
2019	0
2020	0
Thereafter	$ 24
Debt Instrument, Maturity, Start year	2017
Debt Instrument, Maturity, End Year	2047
Borrowings supported by assets | MIP notes payable
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	2.28%
Interest rates, high end of range (as a percent)	8.59%
Balance at the end of the period	$ 1,372		2,870
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	1,372		2,870
2016	245
2017	781
2018	346
2019	0
2020	0
Thereafter	$ 0
Debt Instrument, Maturity, Start year	2016
Debt Instrument, Maturity, End Year	2018
Borrowings supported by assets | GIAs
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	0.02%
Interest rates, high end of range (as a percent)	7.62%
Balance at the end of the period	$ 3,276		4,648
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	3,276		4,648
2016	190
2017	176
2018	464
2019	90
2020	41
Thereafter	$ 2,315
Debt Instrument, Maturity, Start year	2016
Debt Instrument, Maturity, End Year	2047
Debt not guaranteed
Debt Instrument [Line Items]
Balance at the end of the period	$ 4,989		3,741
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	4,989		3,741
Debt not guaranteed | Other subsidiaries notes, bonds, loans and mortgages payable
Debt Instrument [Line Items]
Balance at the end of the period	2		58
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	$ 2		58
Debt not guaranteed | Debt of consolidated investments
Debt Instrument [Line Items]
Interest rates, low end of range (as a percent)	0.00%
Interest rates, high end of range (as a percent)	6.60%
Balance at the end of the period	$ 4,987		3,683
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	$ 4,987		3,683
Debt Instrument, Maturity, Start year	2016
Debt Instrument, Maturity, End Year	2062
Debt not guaranteed | Debt of consolidated investments | Real Estate and Investment Funds [Member]
Debt Instrument [Line Items]
Balance at the end of the period	$ 2,400		2,100
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	2,400		2,100
Debt not guaranteed | Debt of consolidated investments | Affordable Housing Partnership [Member]
Debt Instrument [Line Items]
Balance at the end of the period	2,200		853
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	2,200		853
Debt not guaranteed | Debt of consolidated investments | Other
Debt Instrument [Line Items]
Balance at the end of the period	359		728
Maturities of long-term debt, excluding borrowings of consolidated investments
Total	$ 359		$ 728