v3.25.4
Unsecured Borrowings - Unsecured Short-Term Borrowings (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Short-Term Debt [Line Items]    
Unsecured short-term borrowings $ 30,520 $ 38,520
Weighted average interest rate 4.34% 5.87%
Group Inc.    
Short-Term Debt [Line Items]    
Unsecured short-term borrowings $ 15,490 $ 20,350