Commitments and Contingencies - Schedule of Senior Unsecured Notes (Parenthetical) (Detail)	Dec. 31, 2021	Aug. 17, 2021	May 14, 2021	Mar. 26, 2021	May 26, 2020	Mar. 04, 2020
4.75% Senior Unsecured Notes Due 2026 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	4.75%			4.75%
5.375% Senior Unsecured Notes Due 2027 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	5.375%	5.375%
4.000% Senior Unsecured Notes Due 2029 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	4.00%
3.625% Senior Unsecured Notes Due 2030 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	3.625%			3.625%		3.625%
3.875% Senior Unsecured Notes Due 2031 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	3.875%				3.875%
3.625% Senior Unsecured Notes Due 2031 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	3.625%		3.625%
3.250% Senior Unsecured Notes Due 2033 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	3.25%	3.25%