v3.26.1
Bank Loans and Related Allowance for Credit Losses - Convert to Amortizing Loans (Details) - Total residential real estate - HELOCs - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Converted to an amortizing loan by period end $ 105 $ 105  
Within 1 year 18 18  
> 1 year – 3 years 31 31  
> 3 years – 5 years 63 63  
> 5 years 206 206  
Total loans 423 423 $ 427
Converted to amortizing loans during the period $ 2 $ 5