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

- Details

Name:	aig_DiscountingOfReservesLineItems
Namespace Prefix:	aig_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the increase in discount of loss reserves.

No definition available.

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

Represents the discount of loss reserves to present value for claims that won't be paid for an extended period of time.

No definition available.

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

Current year monetary amount of the change in worker's compensation non tabular reserve liability resulting from the discount applied to reduce the reserve to present value.

No definition available.

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

Current year monetary amount of the change in worker's compensation tabular reserve liability resulting from the discount applied to reduce the reserve to present value.

No definition available.

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

For non tabular calculations of the workers compensation reserve, the percent discount applied to worker's compensation reserve liability to reduce the reserve to present value.

No definition available.

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

For tabular calculations of the workers compensation reserve, the percent discount applied to worker's compensation reserve liability to reduce the reserve to present value.

No definition available.

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

Percent discount applied to worker's compensation reserve liability to reduce the reserve to present value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph b

-Article 7

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.13(b))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 40

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6482852&loc=d3e14931-158439

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 40

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14754-158437