Acquisitions and Other Transactions (EPD Business) (Narrative) (Details) $ in Millions			3 Months Ended		7 Months Ended	9 Months Ended
	Feb. 27, 2015 USD ($) drugs therapeutic_area shares		Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 5,125.3		$ 5,125.3	$ 5,125.3		$ 4,049.3
Total revenues			2,695.2	$ 2,084.0		6,938.6	$ 5,636.9
Net loss attributable to Mylan N.V. ordinary shareholders			$ 428.6	$ 499.1		$ 653.0	$ 740.2
Mylan N.V.
Business Acquisition [Line Items]
Voting interests acquired, percentage	78.00%
EPD Business
Business Acquisition [Line Items]
Number of products | therapeutic_area	100
Number of therapeutic classes | drugs	5
Acquisition purchase price	$ 6,310.0
Voting interests acquired, percentage	22.00%		14.20%		14.20%	14.20%
Identified intangible assets	$ 4,843.0	[1]	$ 4,843.0		$ 4,843.0	$ 4,843.0
Goodwill	1,285.7	[1]	1,304.0		1,304.0	1,304.0
Goodwill, expected tax deductible amount			849.0		849.0	849.0
Transaction costs			$ 85.1		85.1	$ 85.1		$ 50.2
Total revenues					1,010.0
Net loss attributable to Mylan N.V. ordinary shareholders					$ 68.6
EPD Business | Product rights and licenses
Business Acquisition [Line Items]
Identified intangible assets	$ 4,520.0
Acquired finite-lived intangible assets, weighted average useful life	13 years
EPD Business | Contractual rights
Business Acquisition [Line Items]
Identified intangible assets	$ 320.0
EPD Business | Contractual rights | Minimum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life	2 years
EPD Business | Contractual rights | Maximum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life	5 years
Common stock to ordinary shares | EPD Business
Business Acquisition [Line Items]
Conversion of stock, shares converted | shares	1
Conversion of stock, shares issued | shares	1
Mylan N.V. | EPD Business
Business Acquisition [Line Items]
Consideration transferred, shares | shares	110,000,000

[1] As originally reported in the Company’s Quarterly Report on Form 10-Q for the three months ended March 31, 2015.