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Closed Block (Closed Block Revenues and Benefits and Expenses) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenues |  |  |
Premiums | $ 1,675 | $ 1,698 | $ 1,789
Net investment income | 1,949 | 1,980 | 2,514
Realized investment gains (losses), net | (380) | (270) | 807
Other income (loss) | 411 | (447) | 880
Total Closed Block revenues | 3,655 | 2,961 | 5,990
Benefits and Expenses |  |  |
Policyholders’ benefits | 2,354 | 2,428 | 2,546
Interest credited to policyholders’ account balances | 118 | 121 | 125
Dividends to policyholders | 1,008 | 115 | 2,794
General and administrative expenses | 280 | 302 | 312
Total Closed Block benefits and expenses | 3,760 | 2,966 | 5,777
Closed Block revenues, net of Closed Block benefits and expenses, before income taxes | (105) | (5) | 213
Income tax expense (benefit) | (176) | (103) | 125
Closed Block revenues, net of Closed Block benefits and expenses and income taxes | $ 71 | $ 98 | $ 88

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- Definition Amount of benefits, claims and expenses that are related to an insurance entity's segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block). Includes, but is not limited to, death benefits, matured endowments, participating dividends, general expenses and deferred acquisition costs related to the closed block. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Difference between prior period and current period estimated policy claims and interest due to and designated to policies in an insurance entity's segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition The amount of income tax expense or benefit allocated to the operations of the closed block for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Income for the period from the investments allocated to an insurance entity's segregated group of participating or dividend-paying policies and contracts (known as a closed block), net of investment expenses, which are typically reported in a table of closed block operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(5) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Amount of net income (loss) from operations of the closed block. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Amount of expense classified as other allocated to the closed block. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Amount of revenue classified as other allocated to the closed block. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition An expense for the period for estimated policy claims in an insurance entity's segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block), as typically reported in a table of closed block operations as part of summarized financial data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 805 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b)(7) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition An expense for the period representing distributions paid or accrued for the segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block), which may be presented in a table of closed block operations as part of summarized financial data. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(8) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition For the segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block), revenue for the period from insurance policy premiums; typically included in a table of closed block operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Gains and losses realized for the period from the investments allocated to an insurance entity's segregated group of participating or dividend-paying policies and contracts (known as a closed block). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(6) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition The revenues less expenses from operations of the closed block during the period, before income taxes allocated thereto. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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- Definition Total revenues from an insurance company's segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479835/944-805-50-3 + Details
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