v3.25.4
Fair Value - Schedule of Fair Value Option Mortgage Loans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgage loans $ (61) $ (58) $ (53)
Mortgage loans      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Unpaid principal balance 96,269 69,754  
Mark to fair value (725) (2,639)  
Fair value 95,544 67,115  
Commercial Mortgage      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Unpaid principal balance of commercial mortgage loans 90 days or more past due and/or in non-accrual status 992 195  
Mark to fair value of commercial mortgage loans 90 days or more past due and/or in non-accrual status (337) (102)  
Fair value of commercial mortgage loans 90 days or more past due and/or in non-accrual status 655 93  
Fair value of commercial mortgage loans 90 days or more past due 274 31  
Fair value of commercial mortgage loans in non-accrual status 655 93  
Residential Mortgage Loan      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Unpaid principal balance of commercial mortgage loans 90 days or more past due and/or in non-accrual status 826 898  
Mark to fair value of commercial mortgage loans 90 days or more past due and/or in non-accrual status (85) (51)  
Fair value of commercial mortgage loans 90 days or more past due and/or in non-accrual status 741 847  
Fair value of commercial mortgage loans 90 days or more past due 741 847  
Fair value of commercial mortgage loans in non-accrual status 678 765  
Residential Mortgage Loan | Government-Guaranteed Collateral      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Fair value of commercial mortgage loans 90 days or more past due $ 63 $ 82