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Statutory Information and Restrictions - Effects on Statutory Surplus Compared to NAIC Statutory Surplus (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Calculation of reserves using the Indiana universal life method |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | $ (3) | $ (1)
Conservative valuation rate on certain annuities |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | 1 | (1)
Calculation of reserves using continuous CARVM |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | 1 | (1)
Conservative Reg 213 reserves on variable annuity and individual life contracts |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | 20 | (31)
Derivative instruments and equity indexed reserves |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | (232) | (170)
Assets in group fixed annuity contracts held at general account balances |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | 304 | 332
Lesser of LOC and XXX additional reserve as surplus |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | 1,722 | 1,776
LLC notes and variable value surplus notes |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | 1,320 | 1,444
Excess of loss reinsurance agreements |  |
Statutory Accounting Practices [Line Items] |  |
State insurance department, statutory to NAIC, amount of reconciling item | $ 541 | $ 563

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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 -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477908/944-505-50-3 + Details
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