XML 154 R142.htm IDEA: XBRL DOCUMENT v3.25.3
Unsecured Borrowings - Subordinated Borrowings (Detail) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Total subordinated Borrowings, par amount $ 13,185 $ 13,099
Total subordinated Borrowings $ 12,675 $ 12,221
Rate 6.51% 6.82%
Subordinated debt    
Debt Instrument [Line Items]    
Subordinated debt, par amount $ 12,217 $ 12,131
Subordinated debt outstanding $ 11,643 $ 11,217
Rate 6.56% 6.89%
Junior subordinated debt    
Debt Instrument [Line Items]    
Subordinated debt, par amount $ 968 $ 968
Junior subordinated debt $ 1,032 $ 1,004
Rate 5.79% 5.88%