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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - Schedule of VOBA (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
VOBA |  |
VOBA at beginning of period | $ 1,349 | $ 1,446
Amortization | (38) | (39)
VOBA at end of period | 1,311 | 1,407
Indexed Annuities |  |
VOBA |  |
VOBA at beginning of period | 892 | 1,025
Amortization | (31) | (33)
VOBA at end of period | 861 | 992
Fixed rate annuities |  |
VOBA |  |
VOBA at beginning of period | 22 | 27
Amortization | (1) | (1)
VOBA at end of period | 21 | 26
Immediate annuities |  |
VOBA |  |
VOBA at beginning of period | 184 | 191
Amortization | (2) | (2)
VOBA at end of period | 182 | 189
Universal Life |  |
VOBA |  |
VOBA at beginning of period | 126 | 134
Amortization | (1) | (2)
VOBA at end of period | 125 | 132
Traditional Life |  |
VOBA |  |
VOBA at beginning of period | 125 | 69
Amortization | (3) | (1)
VOBA at end of period | $ 122 | $ 68

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- Definition Amount of amortization expense (reversal of expense) for present value of future profits of insurance contract acquired in business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479735/944-20-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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