Stock-based Compensation Expense and Share Repurchase Programs - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Nov. 30, 2020	Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Amount of shares repurchased	$ 424,952,000	$ 300,026,000
Share Repurchase Program 2019
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to be repurchased			$ 500,000,000.0		$ 500,000,000.0
Shares repurchased (in shares)		1,403,868
Amount of shares repurchased		$ 300,000,000.0
Share Repurchase Program 2020
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to be repurchased				$ 500,000,000.0
Shares repurchased (in shares)	1,988,941
Amount of shares repurchased	$ 424,900,000
Cumulative value of shares repurchased	$ 500,000,000.0