v3.25.2
Qualifying Debt (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Trust
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]      
Subordinated debt issuances $ 595 $ 595 $ 820
Number of statutory business trusts | Trust   8  
Junior subordinated debt 83 $ 83 $ 79
Subordinated Debt | Subordinated Debentures Maturing June 2030      
Debt Instrument [Line Items]      
Principal amount plus accrued and unpaid interest $ 225    
Junior Subordinated Debt      
Debt Instrument [Line Items]      
Weighted average interest rate 6.89% 6.89% 6.90%