INVESTMENTS (Details - Realized gains and gross realized losses from sales or maturities) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Gross Realized Gains	$ 99	$ 243	$ 743	$ 1,659
Gross Realized Losses	41	55	283	711
Aggregate fair value of available for sale securities sold	4,400	7,900	27,800	22,300
Net realized capital gains (losses)	58	188	460	948
Fixed maturity securities
Schedule of Available-for-sale Securities [Line Items]
Gross Realized Gains	93	189	637	593
Gross Realized Losses	39	54	263	696
Equity securities available for sale
Schedule of Available-for-sale Securities [Line Items]
Gross Realized Gains	6	54	106	1,066
Gross Realized Losses	$ 2	$ 1	$ 20	$ 15

This element represents the aggregate fair value of Available-for-sale securities sold during the reporting period.

No definition available.

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Namespace Prefix:	aig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

+ Details

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- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

+ Details

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- Definition

This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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