Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2022		1,227.6
Beginning balance at Dec. 31, 2022	$ 4,885.8	$ 0.1	$ 1,780.6	$ 3,139.0	$ (33.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,087.3			2,087.3
Other comprehensive income (loss), net of tax	30.6				30.6
Stock-based compensation	296.8		296.8
Issuance of common stock in connection with employee equity incentive plans (in shares)		25.9
Issuance of common stock in connection with employee equity incentive plans	62.1		62.1
Repurchase of common stock (in shares)		(3.8)
Repurchase of common stock	(112.3)			(112.3)
Tax withholding paid for net share settlement of equity awards (in shares)		(0.8)
Tax withholding paid for net share settlement of equity awards	(33.6)		(33.6)
Common stock issued for business acquisition (in shares)		0.1
Common stock issued for business acquisition	2.3		2.3
Ending balance (in shares) at Dec. 31, 2023		1,249.0
Ending balance at Dec. 31, 2023	7,219.0	$ 0.1	2,108.2	5,114.0	(3.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,852.1			2,852.1
Other comprehensive income (loss), net of tax	(9.9)				(9.9)
Stock-based compensation	355.4		355.4
Issuance of common stock in connection with employee equity incentive plans (in shares)		18.6
Issuance of common stock in connection with employee equity incentive plans	$ 60.2		60.2
Repurchase of common stock (in shares)	(5.5)	(5.5)
Repurchase of common stock	$ (423.6)			(423.6)
Tax withholding paid for net share settlement of equity awards (in shares)		(0.8)
Tax withholding paid for net share settlement of equity awards	$ (58.4)		(58.4)
Ending balance (in shares) at Dec. 31, 2024	1,261.3	1,261.3
Ending balance at Dec. 31, 2024	$ 9,994.8	$ 0.1	2,465.4	7,542.5	(13.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,511.4			3,511.4
Other comprehensive income (loss), net of tax	25.2				25.2
Stock-based compensation	439.2		439.2
Issuance of common stock in connection with employee equity incentive plans (in shares)		11.6
Issuance of common stock in connection with employee equity incentive plans	$ 57.7		57.7
Repurchase of common stock (in shares)	(15.9)	(15.9)
Repurchase of common stock	$ (1,607.3)			(1,607.3)
Tax withholding paid for net share settlement of equity awards (in shares)		(0.5)
Tax withholding paid for net share settlement of equity awards	$ (50.5)		(50.5)
Ending balance (in shares) at Dec. 31, 2025	1,256.5	1,256.5
Ending balance at Dec. 31, 2025	$ 12,370.5	$ 0.1	$ 2,911.8	$ 9,446.6	$ 12.0