Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Valuation Allowance [Line Items]
Effective income tax rate (as a percent)	18.60%	32.30%
U.S. federal income tax at statutory rate (as a percent)	21.00%
Increase in valuation allowance	$ 15
Valuation allowance related to certain tax attribute carryforward	177
Foreign Tax Authority
Valuation Allowance [Line Items]
Increase in valuation allowance	2
U.S.. Life Insurance Companies
Valuation Allowance [Line Items]
Increase in valuation allowance	194
Valuation allowance	$ 1,200
Corebridge \| Maximum \| AIG
Valuation Allowance [Line Items]
Ownership percentage (as a percent)	80.00%

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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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.

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