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Represents the percentage of current commercial mortgages held at respective dates.

No definition available.

Name:	aig_FinancingReceivableCurrentCommercialMortgagesHeldPercentage
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Data Type:	num:percentItemType
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Period Type:	instant

Indicates the number of financing receivables under each classification.

No definition available.

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Balance Type:	na
Period Type:	duration

Indicates the number of 90 days or less past due financing receivables under each classification.

No definition available.

Name:	aig_FinancingReceivableOnRealEstate90DaysOrLessPastDueNumberOfLoans
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Data Type:	xbrli:integerItemType
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Indicates the number of financing receivables under each classification.

No definition available.

Name:	aig_FinancingReceivableOnRealEstateCurrentNumberOfLoans
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Data Type:	xbrli:integerItemType
Balance Type:	na
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Indicates the number of greater than 90 days past due financing receivables or in the process of foreclosure under each classification.

No definition available.

Name:	aig_FinancingReceivableOnRealEstateGreaterThan90DaysPastDueNumberOfLoans
Namespace Prefix:	aig_
Data Type:	xbrli:integerItemType
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Indicates the number of restructured financing receivables under each classification.

No definition available.

Name:	aig_FinancingReceivableOnRealEstateRestructuredNumberOfLoans
Namespace Prefix:	aig_
Data Type:	xbrli:integerItemType
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Financing receivables that are 90 days or less past due.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestment90DaysOrLessPastDue
Namespace Prefix:	aig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The percentage of financing receivables that are current.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestmentCurrentPercentage
Namespace Prefix:	aig_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Financing receivables that are restructured, which may involve extending the maturity of a loan or otherwise changing the interest rate or other terms of a loan.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestmentCurrentRestructured
Namespace Prefix:	aig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Financing receivables that are greater than 90 days past due or in the process of foreclosure.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestmentGreaterThan90DaysPastDue
Namespace Prefix:	aig_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The percentage of financing receivables that are greater than 90 days past due or in the process of foreclosure.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestmentGreaterThan90DaysPastDuePercentage
Namespace Prefix:	aig_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of total financing receivables.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestmentPercentage
Namespace Prefix:	aig_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of financing receivables that are restructured.

No definition available.

Name:	aig_FinancingReceivableRecordedInvestmentRestructuredPercentage
Namespace Prefix:	aig_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of financing receivables that have a valuation allowance established.

No definition available.

Name:	aig_FinancingReceivableValuationAllowancePercentage
Namespace Prefix:	aig_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Financing receivables that are current.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Section 50

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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

-Publisher FASB

-Name Accounting Standards Codification

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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-Section S99

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