v3.25.4
Unsecured Borrowings - Unsecured Long-Term Borrowings by Maturity Date (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Total $ 285,500 $ 242,634
Adjustment related to interest rate hedges on certain unsecured long-term borrowings (7,560)  
2027 (443)  
2028 (484)  
2029 (555)  
2030 (567)  
2031 - thereafter (5,510)  
Subsidiaries    
Debt Instrument [Line Items]    
Total 95,931 75,111
Group Inc.    
Debt Instrument [Line Items]    
Total 189,569 $ 167,523
Unsecured Debt    
Debt Instrument [Line Items]    
2027 50,099  
2028 39,770  
2029 36,497  
2030 35,426  
2031 - thereafter 123,708  
Total 285,500  
Unsecured Debt | Subsidiaries    
Debt Instrument [Line Items]    
2027 25,755  
2028 14,400  
2029 12,029  
2030 14,609  
2031 - thereafter 29,138  
Total 95,931  
Unsecured Debt | Group Inc.    
Debt Instrument [Line Items]    
2027 24,344  
2028 25,370  
2029 24,468  
2030 20,817  
2031 - thereafter 94,570  
Total $ 189,569