Statutory Financial Data and Restrictions - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Statutory Accounting Practices [Line Items]
Statutory capital and surplus considered insurance subsidiaries	$ 29,200
Life Insurance Companies
Statutory Accounting Practices [Line Items]
Increase in statutory surplus due to permitted practice	$ 1,700	$ 1,000
NY
Statutory Accounting Practices [Line Items]
Surplus not available for dividends (as a percent)	10.00%
Adjusted net investment income not available for dividends (as a percent)	100.00%

Statutory Accounting Practices Adjusted Net Investment Income Not Available for Dividends Percentage

No definition available.

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- Definition

Statutory Accounting Practices Dividend Payments Restrictions Net Assets of Consolidated Subsidiaries Companies

+ References

No definition available.

+ Details

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- Definition

Statutory Accounting Practices Policyholders Surplus Not Available for Dividends Percentage

+ References

No definition available.

+ Details

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- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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- Definition

Amount of each item listed to reconcile the differences as of the balance sheet date resulting from applying state permitted statutory accounting practices rather than statutory accounting practices permitted by National Association of Insurance Commissioners.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 505
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479989/944-505-50-3

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