Shareholders' Equity (Summary Of Change In Shareholders' Equity) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Shareholders' equity, beginning balance		$ 9,815.0	$ 9,765.8	$ 3,276.0
Net (loss) earnings	$ (119.8)	428.6	62.5	653.1
Other comprehensive earnings (loss), net of tax	310.9	(202.0)	643.9	(566.6)
Stock option activity			11.1	92.9
Share-based compensation expense			71.1	66.4
Issuance of restricted stock, net of shares withheld			(9.6)	(41.5)
Tax benefit of stock option plans			2.2	49.5
Ordinary shares issued for acquisition			1,281.7	6,305.8
Purchase of subsidiary shares from noncontrolling interest				(18.7)
Other			0.1	(1.9)
Shareholders' equity, ending balance	11,828.8		11,828.8
Total Mylan N.V. Shareholders' Equity
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Shareholders' equity, beginning balance		9,813.6	9,764.4	3,255.9
Net (loss) earnings			62.5	653.0
Other comprehensive earnings (loss), net of tax			643.9	(566.6)
Stock option activity			11.1	92.9
Share-based compensation expense			71.1	66.4
Issuance of restricted stock, net of shares withheld			(9.6)	(41.5)
Tax benefit of stock option plans			2.2	49.5
Ordinary shares issued for acquisition			1,281.7	6,305.8
Purchase of subsidiary shares from noncontrolling interest				0.0
Other			0.0	(1.8)
Shareholders' equity, ending balance	11,827.3		11,827.3
Noncontrolling Interest
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Shareholders' equity, beginning balance		$ 1.4	1.4	20.1
Net (loss) earnings			0.0	0.1
Purchase of subsidiary shares from noncontrolling interest				(18.7)
Other			0.1	$ (0.1)
Shareholders' equity, ending balance	$ 1.5		$ 1.5