Consolidated Statements of Equity - USD ($) $ in Millions		Total	Common Stock		Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Earnings (Loss)	Noncontrolling Interest
Balance at Dec. 31, 2014		$ 3,276.0	$ 273.3	[1]	$ 4,212.8	$ 3,614.5	$ (3,857.7)	$ (987.0)	$ 20.1
Balance (in shares) at Dec. 31, 2014			546,658,507	[1]			(171,435,200)
Net earnings		847.7				847.6			0.1
Other comprehensive (loss) earnings, net of tax		(777.3)						(777.3)
Common stock share repurchase		$ (67.5)					$ 67.5
Common stock share repurchase (in shares)		(1,300,000)					1,311,193
Stock options exercised, net of shares tendered for payment		$ 112.5	$ 1.3	[1]	96.7		$ 0.0
Stock options exercised, net of shares tendered for payment (in shares)			6,086,450	[1]			0
Stock compensation expense		92.8			92.8
Issuance of restricted stock, net of shares withheld		56.2			56.2		$ (14.5)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		(18.7)							(18.7)
Issuance of restricted stock, net of shares withheld (in shares)							618,338
Tax benefit of stock option plans		52.5			52.5
Exchange of Mylan Inc. Common Stock into Mylan N.V. Ordinary Shares	[1]		(378,388,431)
Exchange of Mylan Inc. Common Shares into Mylan N.V. Ordinary Shares, Cost		0.0	$ (185.0)	[1]	185.0
Issuance of Ordinary Shares to Mylan N.V.	[1]		378,388,431
Stock Issued During Period, Shares, Acquisitions	[1]		110,000,000
Stock Issued During Period, Value, Acquisitions		6,305.8	$ 1.3	[1]	6,304.5
Treasury Stock, Shares, Retired			(170,816,862)	[1]			170,816,862
Treasury Stock, Retired, Cost Method, Amount			$ (85.4)	[1]	(3,757.7)		$ 3,843.1
Other		(1.8)			1.8		(0.1)		(0.1)
Balance at Dec. 31, 2015		9,765.8	$ 5.5	[1]	7,128.6	4,462.1	$ (67.5)	(1,764.3)	1.4
Balance (in shares) at Dec. 31, 2015			491,928,095	[1]			1,311,193
Net earnings		480.0				480.0			0.0
Other comprehensive (loss) earnings, net of tax		(499.4)						(499.4)
Stock options exercised, net of shares tendered for payment		13.6			13.6
Stock options exercised, net of shares tendered for payment (in shares)	[1]		1,283,580
Stock compensation expense		88.9			88.9
Issuance of restricted stock, net of shares withheld		(14.2)			14.2
Shares issued in warrant settlement	[1]		16,979,984
Stock Issued During Period, Value, Other			$ 0.2	[1]	(0.2)
Tax benefit of stock option plans		1.2			1.2
Stock Issued During Period, Shares, Acquisitions	[1]		26,447,632
Stock Issued During Period, Value, Acquisitions		1,281.7	$ 0.3	[1]	1,281.4
Balance at Dec. 31, 2016		11,117.6				4,942.1	$ (67.5)	(2,263.7)	1.4
Balance (in shares) at Dec. 31, 2016			536,639,291	[1]			1,311,193
Common Stock, Value, Issued	[1]	6.0
Additional Paid in Capital		8,499.3
Net earnings		696.0				696.0			0.0
Other comprehensive (loss) earnings, net of tax		1,902.5
Common stock share repurchase		$ (500.2)					$ 500.2
Common stock share repurchase (in shares)		(12,400,000)
Stock options exercised, net of shares tendered for payment		$ 17.8			17.8
Stock options exercised, net of shares tendered for payment (in shares)	[1]		1,263,135
Stock compensation expense		74.7			74.7
Issuance of restricted stock, net of shares withheld		(5.8)			$ 5.8
Stock Issued During Period, Value, Acquisitions		0.0
Other	[2]	5.0				(6.4)			(1.4)
Balance at Dec. 31, 2017		13,307.6				$ 5,644.5	$ (567.7)	$ (361.2)	$ 0.0
Balance (in shares) at Dec. 31, 2017			537,902,426	[1]			13,695,251
Common Stock, Value, Issued	[1]	6.0
Additional Paid in Capital		$ 8,586.0

[1] Common stock prior to February 27, 2015.

[2] The change in Retained Earnings represents the cumulative change related to the adoption of Accounting Standards Update 2016-16, Income Taxes (Topic 740) (“ASU 2016-16”). Refer to Note 2 Summary of Significant Accounting Policies in this Annual Report on Form 10-K for additional information.