Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Debt - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
Debt - Additional Information (Detail) - USD ($)	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 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	$ 0	$ 500,000,000	$ 0
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%
2.50% Senior Notes due 2027 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Debt, face amount	$ 500,000,000	$ 500,000,000
Debt, stated interest rate	2.50%	2.50%
3.00% Senior Notes due 2032 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Debt, face amount	$ 500,000,000	$ 500,000,000
Debt, stated interest rate	3.00%	3.00%
3.70% Senior Notes due 2052 (issued: $500.0, March 2022)
Debt Instrument [Line Items]
Debt, face amount	$ 500,000,000.0	$ 500,000,000.0
Debt, stated interest rate	3.70%	3.70%
Discretionary Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 250,000,000	$ 250,000,000
Borrowings outstanding		$ 0	$ 0	$ 0