v3.25.1
Derivative Financial Instruments - Risk Participation Agreements and Total Return Swaps (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Risk Participation Agreements Sold    
Credit Derivatives [Line Items]    
Maximum potential amount of exposure $ 374 $ 381
Total Return Swap    
Credit Derivatives [Line Items]    
Cash received for variation margin 37 25
Cash and other collateral received for initial margin $ 402 $ 329