CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	1.00% Notes	1.625% Notes	0% Notes	0.50% Notes	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Common Stock 1.00% Notes	Common Stock 1.625% Notes	Common Stock 0% Notes	Additional Paid-in Capital	Additional Paid-in Capital 1.00% Notes	Additional Paid-in Capital 1.625% Notes	Additional Paid-in Capital 0% Notes	Additional Paid-in Capital 0.50% Notes	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Accumulated (Deficit) Earnings	Accumulated (Deficit) Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Treasury Stock 1.625% Notes	Treasury Stock 0% Notes	Non-Controlling Interest
Balance, beginning (in shares) at Dec. 31, 2020							570,766,439
Beginning balance treasury stock (in shares) at Dec. 31, 2020																				(158,923,810)
Balance, beginning at Dec. 31, 2020	$ 3,558.1						$ 5.7				$ 4,133.1						$ (57.6)	$ 1,425.5		$ (1,968.2)			$ 19.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises (in shares)							4,000
Stock option exercises	0.0										0.0
Shares issued pursuant to the ESPP (in shares)							724,223
Shares issued pursuant to the ESPP	23.5										23.5
RSUs released and stock grant awards issued (in shares)							3,037,866
RSUs released and stock grant awards issued	0.0						$ 0.0				0.0
Shares issued for warrants exercise (in shares)								13,424,951
Shares issued for warrants exercise		$ 0.0						$ 0.1				$ (0.1)
Partial settlement (in shares)									7,004,663
Partial settlement			$ (142.3)						$ 0.1				$ (142.4)
Partial settlement of warrants (in shares)									8,081,937
Partial settlement of warrants			0.0						$ 0.1				(0.1)
Partial settlement of bond hedges (in shares)																					(10,701,920)
Partial settlement of bond hedges			0.0										441.3								$ (441.3)
Equity component - 0% Notes				$ 136.6										$ 136.6
Warrant and bond hedges, net				(66.5)										(66.5)
Tax impact of convertible notes, warrants and bond hedges, net	6.6										6.6
Payment of tax withholding for RSUs (in shares)																				(945,531)
Payment of tax withholding for RSUs	(38.9)																			$ (38.9)
Share-based compensation	$ 101.3										101.3
Repurchase of common stock (in shares)	0
Dividend to non-controlling shareholder	$ (2.2)																						(2.2)
Comprehensive income	1,028.2																17.0	1,009.6					1.6
Balance, ending (in shares) at Dec. 31, 2021							603,044,079
Ending balance treasury stock (in shares) at Dec. 31, 2021																				(170,571,261)
Balance, ending at Dec. 31, 2021	4,604.4					$ (102.0)	$ 6.0				4,633.3					$ (129.1)	(40.6)	2,435.1	$ 27.1	$ (2,448.4)			19.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued pursuant to the ESPP (in shares)							493,484
Shares issued pursuant to the ESPP	22.9										22.9
RSUs released and stock grant awards issued (in shares)							3,739,726
RSUs released and stock grant awards issued	0.0						$ 0.1				(0.1)
Partial settlement (in shares)									611,431
Partial settlement			(0.3)						$ 0.0				(0.3)
Partial settlement of warrants (in shares)									478,993
Partial settlement of warrants			0.0						$ 0.0				0.0
Partial settlement of bond hedges (in shares)																					(617,554)
Partial settlement of bond hedges			0.0										43.4								$ (43.4)
Payment of tax withholding for RSUs (in shares)																				(1,254,030)
Payment of tax withholding for RSUs	(78.1)																			$ (78.1)
Share-based compensation	$ 100.8										100.8
Repurchase of common stock (in shares)	(4,000,000.0)																			(3,988,453)
Repurchase of common stock	$ (259.8)																			$ (259.8)
Dividend to non-controlling shareholder	(2.1)																						(2.1)
Comprehensive income	$ 1,921.2																17.4	1,902.2					1.6
Balance, ending (in shares) at Dec. 31, 2022	431,936,415						608,367,713
Ending balance treasury stock (in shares) at Dec. 31, 2022	176,431,298																			(176,431,298)
Balance, ending at Dec. 31, 2022	$ 6,207.0						$ 6.1				4,670.9						(23.2)	4,364.4		$ (2,829.7)			18.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]						Accounting Standards Update 2020-06 [Member]
Shares issued pursuant to the ESPP (in shares)							387,770
Shares issued pursuant to the ESPP	25.7										25.7
RSUs released and stock grant awards issued (in shares)							2,433,671
RSUs released and stock grant awards issued	0.0						$ 0.0				0.0
Partial settlement (in shares)									5,091,710	794
Partial settlement			0.0	0.0					$ 0.1	$ 0.0			(0.1)	0.0
Partial settlement of warrants (in shares)									159	179
Partial settlement of warrants			0.0						$ 0.0				0.0
Partial settlement of bond hedges (in shares)																					(5,091,752)	(785)
Partial settlement of bond hedges			$ 0.0	$ 0.0									$ 472.4	$ 0.1							$ (472.4)	$ (0.1)
Warrant and bond hedges, net					$ (171.5)										$ (171.5)
Tax impact of convertible notes, warrants and bond hedges, net	92.3										92.3
Payment of tax withholding for RSUs (in shares)																				(805,107)
Payment of tax withholding for RSUs	(67.1)																			$ (67.1)
Share-based compensation	$ 121.1										121.1
Repurchase of common stock (in shares)	(7,600,000)																			(7,566,628)
Repurchase of common stock	$ (568.1)																			$ (568.1)
Dividend to non-controlling shareholder	(2.4)																						(2.4)
Comprehensive income	$ 2,163.6																(22.0)	2,183.7					1.9
Balance, ending (in shares) at Dec. 31, 2023	426,386,426						616,281,996
Ending balance treasury stock (in shares) at Dec. 31, 2023	189,895,570																			(189,895,570)
Balance, ending at Dec. 31, 2023	$ 7,800.6						$ 6.2				$ 5,210.9						$ (45.2)	$ 6,548.1		$ (3,937.4)			$ 18.0