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Debt - Additional Information (Detail) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2022
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Aug. 31, 2011
Debt Instrument [Line Items]          
Proceeds from Debt, Net of Issuance Costs $ 1,486,000,000        
Long-term Debt, Current Maturities   $ 0 $ 500,000,000 $ 0  
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)          
Debt Instrument [Line Items]          
Debt, face amount $ 500,000,000.0        
Debt, stated interest rate 2.50%        
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)          
Debt Instrument [Line Items]          
Debt, face amount $ 500,000,000        
Debt, stated interest rate 3.00%        
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)          
Debt Instrument [Line Items]          
Debt, face amount $ 500,000,000        
Debt, stated interest rate 3.70%        
3.75% Senior Notes due 2021 (issued: $500.0, August 2011)          
Debt Instrument [Line Items]          
Debt, face amount         $ 500,000,000.0
Debt, stated interest rate         3.75%
Discretionary Line of Credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity   250,000,000      
Borrowings outstanding   $ 0 $ 0 $ 0