v3.26.1
Debt - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Mar. 31, 2022
Aug. 31, 2016
Debt Instrument [Line Items]              
Long-term debt, current maturities       $ 0 $ 0    
Net proceeds from debt issuances $ 1,487,000,000   $ 1,487,000,000 0      
Debt Instrument, Basis Spread on Variable Rate   1.00%          
Senior Notes 2.45% Due 2027              
Debt Instrument [Line Items]              
Long-term debt, current maturities   $ 500,000,000 500,000,000        
Debt, stated interest rate             2.45%
Debt, face amount             $ 500,000,000
Senior Notes 2.50% Due 2027              
Debt Instrument [Line Items]              
Long-term debt, current maturities   500,000,000 500,000,000        
Debt, stated interest rate           2.50%  
Debt, face amount           $ 500,000,000  
Senior Notes 4.60% Due 2031              
Debt Instrument [Line Items]              
Debt, stated interest rate 4.60%            
Debt, face amount $ 500,000,000            
Senior Notes 5.15% Due 2036              
Debt Instrument [Line Items]              
Debt, stated interest rate 5.15%            
Debt, face amount $ 1,000,000,000            
Discretionary Line of Credit              
Debt Instrument [Line Items]              
Maximum borrowing capacity   $ 300,000,000 300,000,000        
Borrowings outstanding     $ 0 $ 0 $ 0