INVESTMENTS (Details - Components of Net investment income) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Pledged Investments
Total investment income	$ 3,990.0aig_InvestmentIncome	$ 4,328.0aig_InvestmentIncome
Investment expenses	152.0	132.0
Net investment income	3,838us-gaap_NetInvestmentIncome	4,196us-gaap_NetInvestmentIncome
Fixed maturity securities, including short-term investments
Pledged Investments
Total investment income	2,883.0	3,131.0
Equity securities
Pledged Investments
Total investment income	15.0	(85.0)
Interest on mortgage and other loans
Pledged Investments
Total investment income	339.0	318.0
Alternative investments
Pledged Investments
Total investment income	689.0	925.0
Real estate
Pledged Investments
Total investment income	26.0	28.0
Other investments
Pledged Investments
Total investment income	$ 38.0	$ 11.0

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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