v3.26.1
Long-term Debt - Additional Information (Detail) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Long-term debt, fair value $ 10,700,000,000 $ 9,400,000,000
Committed credit facility agreement aggregated 5,000,000,000  
Borrowings outstanding under credit facility 0 0
Commercial paper programs mature in February 2029    
Debt Instrument [Line Items]    
Committed credit facility agreement aggregated 2,000,000,000  
Commercial Paper Programs Maturing December 2030    
Debt Instrument [Line Items]    
Committed credit facility agreement aggregated 3,000,000,000  
Commercial paper borrowings    
Debt Instrument [Line Items]    
Long-term debt $ 0 $ 0