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Investments - Schedule of Changes in Allowance for Expected Credit Losses on Mortgage Loans (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | $ (64) | $ (64) | $ (66) | $ (42)
Provision (expense) benefit for loan losses | (5) | 0 | (3) | (22)
Ending Balance | (69) | (64) | (69) | (64)
Residential Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | (50) | (51) | (54) | (32)
Provision (expense) benefit for loan losses | (1) | 2 | 3 | (17)
Ending Balance | (51) | (49) | (51) | (49)
Commercial Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning Balance | (14) | (13) | (12) | (10)
Provision (expense) benefit for loan losses | (4) | (2) | (6) | (5)
Ending Balance | $ (18) | $ (15) | $ (18) | $ (15)

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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- Details
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- Details
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