Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid In Capital	Additional Paid In Capital Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Common Stock in Treasury
Beginning balance (in shares) at Dec. 31, 2018			309,761,000
Beginning balance at Dec. 31, 2018	$ 551,519	$ 838	$ 310	$ 5,404,500	$ 0	$ 4,169,019	$ 838	$ (8,154)	$ (9,014,156)
Beginning balance, treasury shares (in shares) at Dec. 31, 2018									(178,327,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under stock-based compensation plans (in shares)			2,603,000
Shares issued under stock-based compensation plans			$ 3	(3)
Stock-based compensation expense	278,892			278,892
Common stock issued under employee stock purchase plan (in shares)			471,000
Common stock issued under employee stock purchase plan	39,469		$ 0	39,469
Temporary equity reclassification	8,110			8,110
Stock repurchases, net (in shares)									(4,534,000)
Stock repurchases, net	$ (453,853)								$ (453,853)
Restricted shares turned in for tax withholding (in shares)	(882,078)								(882,000)
Restricted shares turned in for tax withholding	$ (89,213)								$ (89,213)
Cash dividends declared and paid	$ (182,947)					(182,947)
Settlement of convertible notes and hedges (in shares)			4,950,000
Settlement of convertible notes and hedges			$ 5	509,519
Settlement of convertible notes and hedges (in shares)									(4,950,000)
Settlement of convertible notes and hedges									$ (509,524)
Settlement of warrants (in shares)	1,000,000		975,000
Settlement of warrants			$ 1
Other				8,578		(8,578)
Other comprehensive income, net of tax	$ 3,027							3,027
Net income	681,813					681,813
Ending balance (in shares) at Dec. 31, 2019			318,760,000
Ending balance at Dec. 31, 2019	837,656	$ (1,641)	$ 319	6,249,065	$ 0	4,660,145	$ (1,641)	(5,127)	$ (10,066,746)
Ending balance, treasury shares (in shares) at Dec. 31, 2019									(188,693,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under stock-based compensation plans (in shares)			2,721,000
Shares issued under stock-based compensation plans			$ 3	(3)
Stock-based compensation expense	307,710			307,710
Common stock issued under employee stock purchase plan (in shares)			483,000
Common stock issued under employee stock purchase plan	44,635			44,635
Stock repurchases, net (in shares)									(2,479,000)
Stock repurchases, net	$ (288,483)								$ (288,483)
Restricted shares turned in for tax withholding (in shares)	(893,479)								(893,000)
Restricted shares turned in for tax withholding	$ (121,652)								$ (121,652)
Cash dividends declared and paid	(172,006)					(172,006)
Other				6,611		(6,611)
Other comprehensive income, net of tax	1,478							1,478
Accelerated stock repurchase program (in shares)									(7,378,000)
Accelerated stock repurchase program	1,000,000								$ 1,000,000
Net income	504,446					504,446
Ending balance (in shares) at Dec. 31, 2020			321,964,000
Ending balance at Dec. 31, 2020	$ 112,143		$ 322	6,608,018		4,984,333		(3,649)	$ (11,476,881)
Ending balance, treasury shares (in shares) at Dec. 31, 2020	(199,443,000)								(199,443,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued under stock-based compensation plans (in shares)			2,696,000
Shares issued under stock-based compensation plans	$ 283		$ 3	280
Stock-based compensation expense	346,751			346,751
Common stock issued under employee stock purchase plan (in shares)			514,000
Common stock issued under employee stock purchase plan	$ 50,222			50,222
Restricted shares turned in for tax withholding (in shares)	(870,057)								(870,000)
Restricted shares turned in for tax withholding	$ (115,491)								$ (115,491)
Value of assumed equity awards related to pre-combination service	28,885			28,885
Cash dividends declared and paid	(183,788)					(183,788)
Other				7,420		(7,420)
Other comprehensive income, net of tax	753							753
Net income	307,499					307,499
Ending balance (in shares) at Dec. 31, 2021			325,174,000
Ending balance at Dec. 31, 2021	$ 547,257		$ 325	$ 7,041,576		$ 5,100,624		$ (2,896)	$ (11,592,372)
Ending balance, treasury shares (in shares) at Dec. 31, 2021	(200,313,000)								(200,313,000)