Stockholders' Equity - Summary of Transactions Relating to Common Stock (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Common Stock Outstanding Roll Forward [Roll Forward]
Payments for purchases of treasury stock	$ 1,655,547	$ 176,302	$ 199,042
Common Stock
Common Stock Outstanding Roll Forward [Roll Forward]
Beginning balance (in shares)	163,602,067	163,602,067	163,602,067
Issuances under stock plans (in shares)	0	0	0
Purchases for treasury (in shares)	0	0	0
Ending balance (in shares)	163,602,067	163,602,067	163,602,067
Treasury Stock
Common Stock Outstanding Roll Forward [Roll Forward]
Beginning balance (in shares)	74,759,985	74,444,288	73,899,977
Issuances under stock plans (in shares)	(807,320)	(820,065)	(825,115)
Purchases for treasury (in shares)	7,252,839	1,135,762	1,369,426
Ending balance (in shares)	81,205,504	74,759,985	74,444,288