v3.25.4
Investments - Schedule of Mortgage Loan Portfolio, with Fair Value Option Loans (Details) - Mortgage loans - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
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
Mortgage loans 95,544 67,115
Commercial mortgage loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Unpaid principal balance 40,656 34,531
Mark to fair value (1,585) (2,099)
Fair value 39,071 32,432
Residential mortgage loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Unpaid principal balance 55,613 35,223
Mark to fair value 860 (540)
Fair value 56,473 34,683
Commercial mortgage loans | Commercial mortgage loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Unpaid principal balance 38,869 32,544
Commercial mortgage loans under development | Commercial mortgage loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Unpaid principal balance $ 1,787 $ 1,987