Condensed Consolidated Statement of Equity Statement - USD ($) shares in Millions, $ in Millions	Total	Preferred stock	Common stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Retained earnings	Treasury stock
Beginning balance, shares at Dec. 31, 2023		0.0	168.7
Beginning balance at Dec. 31, 2023	$ 14,799.4	$ 0.0	$ 0.1	$ 302.5	$ (153.7)	$ 17,627.6	$ (2,977.1)
Beginning balance, treasury stock, shares at Dec. 31, 2023							(23.8)
Net income	393.4					393.4
Other comprehensive income (loss), net of tax	(6.8)				(6.8)
Issuance of common stock under stock option and stock purchase plans, shares			0.1
Issuance of common stock under stock option and stock purchase plans	15.7			15.7
Issuance of common stock under stock award plan (in shares)			0.6
Issuance of common stock under stock award plan	(62.6)			(62.6)
Compensation related to share-based payments	76.1			76.1
Other	(2.2)			(2.2)
Ending balance at Mar. 31, 2024	15,213.0	$ 0.0	$ 0.1	329.5	(160.5)	18,021.0	$ (2,977.1)
Ending balance, shares at Mar. 31, 2024		0.0	169.4
Ending balance, treasury stock, shares at Mar. 31, 2024							(23.8)
Beginning balance, shares at Dec. 31, 2024		0.0	169.5
Beginning balance at Dec. 31, 2024	16,716.0	$ 0.0	$ 0.1	569.4	(136.2)	19,259.8	$ (2,977.1)
Beginning balance, treasury stock, shares at Dec. 31, 2024							(23.8)
Net income	240.5					240.5
Other comprehensive income (loss), net of tax	(38.3)				(38.3)
Issuance of common stock under stock option and stock purchase plans, shares			0.2
Issuance of common stock under stock option and stock purchase plans	15.2			15.2
Issuance of common stock under stock award plan (in shares)			0.6
Issuance of common stock under stock award plan	(39.5)			(39.5)
Compensation related to share-based payments	84.1			84.1
Other	0.7			0.7
Ending balance at Mar. 31, 2025	$ 16,978.7	$ 0.0	$ 0.1	$ 629.9	$ (174.5)	$ 19,500.3	$ (2,977.1)
Ending balance, shares at Mar. 31, 2025		0.0	170.3
Ending balance, treasury stock, shares at Mar. 31, 2025							(23.8)