v3.25.4
Debt Financing - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Line of Credit Facility [Line Items]    
Weighted-average interst rate on short-term borrowings 4.20% 4.60%
Commercial Paper $ 798 $ 790
Revolving Credit Facility    
Line of Credit Facility [Line Items]    
Unused Line of credit $ 4,000  
Revolving Credit Facility | Unused lines of Credit    
Line of Credit Facility [Line Items]    
Unused Line of credit agreement, fees 0.08%  
Outside the U.S.    
Line of Credit Facility [Line Items]    
Foreign currency bank line borrowings $ 4 $ 5