Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		1 Months Ended	3 Months Ended												12 Months Ended
	Jan. 24, 2022	Feb. 10, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Common stock repurchased, total value															$ 139,580	$ 727,343	$ 102,081
Quarterly dividend declared			$ 1.04	$ 1.04	$ 0.78	$ 0.78	$ 0.78	$ 0.78	$ 0.68	$ 0.68	$ 0.68	$ 0.68	$ 0.58	$ 0.58	$ 3.64	$ 2.92	$ 2.52
Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock repurchased, shares		1.2
Common stock repurchased, average price per share		$ 515.83
Common stock repurchased, total value		$ 634,100
Quarterly dividend declared	$ 1.04
Quarterly dividend declared date	Jan. 24, 2022
Quarterly dividend payable date	Feb. 28, 2022
Quarterly dividend record date	Feb. 18, 2022