INVESTMENTS (Details - Components of Net investment income) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Investment [Line Items]
Total investment income	$ 16,596aig_InvestmentIncome	$ 16,358aig_InvestmentIncome	$ 20,947aig_InvestmentIncome
Investment expenses	517	548	604
Net investment income	16,079us-gaap_NetInvestmentIncome	15,810us-gaap_NetInvestmentIncome	20,343us-gaap_NetInvestmentIncome
AIA Group Limited (AIA)
Investment [Line Items]
Total investment income		0	2,069
Maiden Lane II
Investment [Line Items]
Total investment income		0	246
Maiden Lane III
Investment [Line Items]
Total investment income		0	2,888
MetLife Inc. (MetLife)
Investment [Line Items]
Total investment income			0
Fixed maturity securities, including short-term investments
Investment [Line Items]
Total investment income	12,322	12,044	12,592
Equity securities
Investment [Line Items]
Total investment income	221	178	162
Interest on mortgage and other loans
Investment [Line Items]
Total investment income	1,272	1,144	1,083
Alternative investments
Investment [Line Items]
Total investment income	2,624	2,803	1,769
Real estate
Investment [Line Items]
Total investment income	110	128	127
Other investments
Investment [Line Items]
Total investment income	$ 47	$ 61	$ 11

Amount, before investment expense, of income (loss) earned from investments. Includes unrealized and realized gains (losses).

No definition available.

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- Definition

Amount of expenses related to the generation of investment income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.2)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.9)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 16

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.2)

-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 2

-Article 7

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