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Closed Block (Revenues and Expenses) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues |  |  |
Premiums | $ 1,104 | $ 1,298 | $ 1,498
Net investment income | 1,382 | 1,541 | 1,596
Net investment gains (losses) | (51) | (36) | (25)
Net derivative gains (losses) | 33 | 18 | (17)
Total revenues | 2,468 | 2,821 | 3,052
Expenses |  |  |
Policyholder benefits and claims | 1,890 | 2,150 | 2,330
Policyholder dividends | 453 | 621 | 791
Other expenses | 90 | 96 | 104
Total expenses | 2,433 | 2,867 | 3,225
Revenues, net of expenses before provision for income tax expense (benefit) | 35 | (46) | (173)
Provision for income tax expense (benefit) | 7 | (10) | (36)
Revenues, net of expenses and provision for income tax expense (benefit) | $ 28 | $ (36) | $ (137)

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- Definition Gains and losses realized for the period from the derivatives allocated to an insurance entity's segregated group of participating or dividend-paying policies and contracts (known as a closed block). + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(5) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(7) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(8) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(4) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(6) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124505872&loc=d3e30806-158569 + Details
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