v3.25.2
Long-term Debt - Additional Information (Detail) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Long-term debt, fair value $ 10,500,000,000 $ 10,400,000,000
Committed credit facility agreement aggregated 5,000,000,000  
Borrowings outstanding under credit facility 0 0
Short-term borrowings and current portion of long-term debt 2,807,000,000 1,051,000,000
Commercial paper programs mature in February 2028    
Debt Instrument [Line Items]    
Committed credit facility agreement aggregated 2,000,000,000  
Commercial paper programs mature in December 2029    
Debt Instrument [Line Items]    
Committed credit facility agreement aggregated 3,000,000,000  
Commercial paper borrowings    
Debt Instrument [Line Items]    
Long-term debt   $ 0
Short-term borrowings and current portion of long-term debt $ 1,100,000,000