Number of accelerated stock repurchase (ASR) agreements with third-party financial institutions.

No definition available.

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- Definition

Partial receipt of shares under the accelerated share repurchases program.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Number of shares received on settlement of the accelerated share repurchases agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	aig_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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- Definition

Accelerated Share Repurchases Shares Received

+ References

No definition available.

+ Details

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Namespace Prefix:	aig_
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- Details

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- Definition

Percentage of Number of notional share equivalent that have been partially received during the period and have not been retired and are not held in treasury

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

Name:	us-gaap_CommonStockSharesIssued
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

Name:	us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

Name:	us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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EQUITY (Details - Shares Outstanding) (USD $) In Billions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended	1 Months Ended
	Mar. 26, 2015	Mar. 31, 2015	Apr. 30, 2015	Feb. 12, 2015
The following table presents a roll forward of outstanding shares:
Treasury Shares, beginning of year		(530,744,521)us-gaap_TreasuryStockShares
Shares, beginning of year		1,906,671,492us-gaap_CommonStockSharesIssued
Shares, beginning of year		1,375,926,971us-gaap_SharesIssued
Shares issued - Issuance (in shares)		5,995
Shares repurchased		(28,855,379)
Treasury Shares, end of period		(559,593,905)us-gaap_TreasuryStockShares
Shares, end of period		1,906,671,492us-gaap_CommonStockSharesIssued
Shares, end of period		1,347,077,587us-gaap_SharesIssued
Dividend paid (in dollars per share)	$ 0.125
ASR
The following table presents a roll forward of outstanding shares:
Number of shares received from financial institution		0
Amount paid to financial institution		0
AIG
The following table presents a roll forward of outstanding shares:
Shares repurchased		(29,000,000)
Aggregate purchase price of repurchased shares		1.4
AIG \| ASR
The following table presents a roll forward of outstanding shares:
Number of accelerated stock repurchase (ASR) agreements with third-party financial institutions		3
Percentage of share repurchased during share repurchase agreement		0.00%
Common Stock Issued
The following table presents a roll forward of outstanding shares:
Shares, beginning of year		1,906,671,492
Shares issued - Issuance (in shares)		0
Shares repurchased		0
Shares, end of period		1,906,671,492
Aggregate repurchase authorization purchase amount				2.5
Common stock authorized to be repurchased remaining amount		1.1
Common Stock Issued \| ASR
The following table presents a roll forward of outstanding shares:
Partial receipt of shares under an ASR agreement		0
Common Stock Issued \| AIG
The following table presents a roll forward of outstanding shares:
Aggregate repurchase authorization purchase amount				2.5
Common Stock Issued \| AIG \| ASR
The following table presents a roll forward of outstanding shares:
Additional shares received from financial institution			0
Common Stock Issued \| Subsequent event
The following table presents a roll forward of outstanding shares:
Aggregate repurchase authorization purchase amount			3.5
Common stock authorized to be repurchased remaining amount			3.8
Treasury Stock
The following table presents a roll forward of outstanding shares:
Treasury Shares, beginning of year		(530,744,521)
Shares issued - Issuance (in shares)		5,995
Shares repurchased		(28,855,379)
Treasury Shares, end of period		(559,593,905)