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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
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Allowance for Credit Loss |  |  |  |
Beginning Balance | $ (75) | $ (64) | $ (70) | $ (66)
Provision (expense) benefit for loan losses | (2) | (5) | (7) | (3)
Ending Balance | (77) | (69) | (77) | (69)
Residential Mortgage |  |  |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |
Beginning Balance | (58) | (50) | (53) | (54)
Provision (expense) benefit for loan losses | 0 | (1) | (5) | 3
Ending Balance | (58) | (51) | (58) | (51)
Commercial Mortgage |  |  |  |
Financing Receivable, Allowance for Credit Loss |  |  |  |
Beginning Balance | (17) | (14) | (17) | (12)
Provision (expense) benefit for loan losses | (2) | (4) | (2) | (6)
Ending Balance | $ (19) | $ (18) | $ (19) | $ (18)

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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 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 Reference 3: 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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