Contingencies, Commitments and Guarantees (Details) $ in Millions	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Other Commitments [Line Items]
Other commitments	$ 1,500	$ 1,700
Corebridge Financial Inc
Other Commitments [Line Items]
Percent of principal required to be collateralized by Corebridge	1
Percent of net present value of scheduled interest payments required to be collateralized by Corebridge	1
Related Party
Other Commitments [Line Items]
Contractual obligation	$ 100

Debt instrument, Collateral, Percent Of Net Present Value Of Scheduled Interest Payments

No definition available.

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Namespace Prefix:	aig_
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- Definition

Debt Instrument, Collateral, Percent Of Principal

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
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- Definition

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- 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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