Subsidiary Guarantors Condensed Consolidating Statement of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Condensed Income Statements, Captions [Line Items]
Net sales	$ 11,760.0	$ 10,967.1	$ 9,362.6
Other revenues	147.7	109.8	66.7
Total revenues	11,907.7	11,076.9	9,429.3
Cost of sales	7,124.6	6,379.9	5,213.2
Gross profit	4,783.1	4,697.0	4,216.1
Research and development	783.3	826.8	671.9
Selling, general and administrative	2,575.8	2,496.1	2,180.7
Litigation settlements and other contingencies, net	(13.1)	672.5	(97.4)
Total operating expenses	3,346.0	3,995.4	2,755.2
Earnings from operations	1,437.1	701.6	1,460.9
Interest expense	534.6	454.8	339.4
Other (income) expense, net	(0.5)	125.1	206.1
Earnings before income taxes and noncontrolling interest	903.0	121.7	915.4
Income tax (benefit) provision	207.0	(358.3)	67.7
Earnings of equity interest subsidiaries	0.0	0.0	0.0
Net earnings	696.0	480.0	847.7
Net earnings attributable to the noncontrolling interest			(0.1)
Net earnings attributable to Mylan N.V. ordinary shareholders			847.6
Eliminations
Condensed Income Statements, Captions [Line Items]
Net sales	0.0	0.0	0.0
Other revenues	0.0	0.0	0.0
Total revenues	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0
Research and development	0.0	0.0	0.0
Selling, general and administrative	0.0	0.0	0.0
Litigation settlements and other contingencies, net	0.0	0.0	0.0
Total operating expenses	0.0	0.0	0.0
Earnings from operations	0.0	0.0	0.0
Interest expense	0.0	0.0	0.0
Other (income) expense, net	0.0	0.0	0.0
Earnings before income taxes and noncontrolling interest	0.0	0.0	0.0
Income tax (benefit) provision	0.0	0.0	0.0
Earnings of equity interest subsidiaries	(1,499.9)	(2,035.1)	(2,868.0)
Net earnings	(1,499.9)	(2,035.1)	(2,868.0)
Net earnings attributable to the noncontrolling interest			0.1
Net earnings attributable to Mylan N.V. ordinary shareholders			(2,867.9)
Mylan N.V.
Condensed Income Statements, Captions [Line Items]
Net sales	0.0	0.0	0.0
Other revenues	0.0	0.0	0.0
Total revenues	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0
Research and development	0.0	0.0	0.0
Selling, general and administrative	45.5	71.6	106.1
Litigation settlements and other contingencies, net	0.0	0.0	0.0
Total operating expenses	45.5	71.6	106.1
Earnings from operations	(45.5)	(71.6)	(106.1)
Interest expense	378.0	198.4	58.3
Other (income) expense, net	(484.9)	(55.6)	41.1
Earnings before income taxes and noncontrolling interest	61.4	(214.4)	(205.5)
Income tax (benefit) provision	(21.1)	(19.5)	0.0
Earnings of equity interest subsidiaries	613.5	674.9	1,053.2
Net earnings	696.0	480.0	847.7
Net earnings attributable to the noncontrolling interest			(0.1)
Net earnings attributable to Mylan N.V. ordinary shareholders			847.6
Mylan Inc.
Condensed Income Statements, Captions [Line Items]
Net sales	0.0	0.0	0.0
Other revenues	0.0	0.0	0.0
Total revenues	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0
Research and development	0.0	0.0	0.0
Selling, general and administrative	650.9	664.1	572.1
Litigation settlements and other contingencies, net	17.0	0.0	0.0
Total operating expenses	667.9	664.1	572.1
Earnings from operations	(667.9)	(664.1)	(572.1)
Interest expense	104.1	161.3	217.9
Other (income) expense, net	(264.6)	(193.2)	0.0
Earnings before income taxes and noncontrolling interest	(507.4)	(632.2)	(790.0)
Income tax (benefit) provision	(14.0)	(18.2)	(23.2)
Earnings of equity interest subsidiaries	886.4	1,360.2	1,814.8
Net earnings	393.0	746.2	1,048.0
Net earnings attributable to the noncontrolling interest			0.0
Net earnings attributable to Mylan N.V. ordinary shareholders			1,048.0
Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Net sales	0.0	0.0	0.0
Other revenues	0.0	0.0	0.0
Total revenues	0.0	0.0	0.0
Cost of sales	0.0	0.0	0.0
Gross profit	0.0	0.0	0.0
Research and development	0.0	0.0	0.0
Selling, general and administrative	0.0	0.0	0.0
Litigation settlements and other contingencies, net	0.0	0.0	0.0
Total operating expenses	0.0	0.0	0.0
Earnings from operations	0.0	0.0	0.0
Interest expense	0.0	0.0	0.0
Other (income) expense, net	0.0	0.0	0.0
Earnings before income taxes and noncontrolling interest	0.0	0.0	0.0
Income tax (benefit) provision	0.0	0.0	0.0
Earnings of equity interest subsidiaries	0.0	0.0	0.0
Net earnings	0.0	0.0	0.0
Net earnings attributable to the noncontrolling interest			0.0
Net earnings attributable to Mylan N.V. ordinary shareholders			0.0
Non-Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Net sales	11,760.0	10,967.1	9,362.6
Other revenues	147.7	109.8	66.7
Total revenues	11,907.7	11,076.9	9,429.3
Cost of sales	7,124.6	6,379.9	5,213.2
Gross profit	4,783.1	4,697.0	4,216.1
Research and development	783.3	826.8	671.9
Selling, general and administrative	1,879.4	1,760.4	1,502.5
Litigation settlements and other contingencies, net	(30.1)	672.5	(97.4)
Total operating expenses	2,632.6	3,259.7	2,077.0
Earnings from operations	2,150.5	1,437.3	2,139.1
Interest expense	52.5	95.1	63.2
Other (income) expense, net	749.0	373.9	165.0
Earnings before income taxes and noncontrolling interest	1,349.0	968.3	1,910.9
Income tax (benefit) provision	242.1	(320.6)	90.9
Earnings of equity interest subsidiaries	0.0	0.0	0.0
Net earnings	$ 1,106.9	$ 1,288.9	1,820.0
Net earnings attributable to the noncontrolling interest			(0.1)
Net earnings attributable to Mylan N.V. ordinary shareholders			$ 1,819.9