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Statutory Information and Restrictions (Effects on statutory surplus compared to NAIC statutory surplus) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Calculation of reserves using the Indiana universal life method [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | $ 3 | $ 6
Conservative valuation rate on certain variable annuities [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | (36) | (40)
Calculation of reserves using continuous CARVM [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | (1) |
Conservative Reg 213 reserves on VA contracts [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | (37) | (27)
Derivative instruments and equity indexed reserves [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | 14 | (113)
Assets in Group fixed Annuity Contracts Held at General Account Values [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | 436 |
Lesser of LOC and XXX additional reserve as surplus [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | 1,838 | 1,847
LLC Notes And Variable Value Surplus Notes [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | 1,547 | 1,616
Excess Of Loss Reinsurance Treaties [Member] |  |
Statutory Accounting Practices [Line Items] |  |
Effects on statutory surplus compared to NAIC statutory surplus from the use of prescribed and permitted practices | $ 549 | $ 493

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- Definition Amount of an item which resulted in a difference from applying state prescribed or permitted statutory accounting practices rather than statutory accounting practices prescribed by National Association of Insurance Commissioners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6486098&loc=d3e24746-158529 + Details
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