Shareholders' Equity (Summary Of Change In Shareholders' Equity) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Shareholders' equity, beginning balance			$ 11,117.6	$ 9,765.8
Net earnings	$ 297.0	$ 168.4	363.4	182.3
Other comprehensive earnings, net of tax	857.5	(140.8)	1,308.1	333.0
Stock option activity			8.9	6.5
Share-based compensation expense			42.0	51.9
Issuance of restricted stock, net of shares withheld			(5.7)	9.6
Tax benefit of stock option plans				1.4
Other			(1.4)	0.0
Shareholders' equity, ending balance	12,832.9	10,331.3	12,832.9	10,331.3
Total Mylan N.V. Shareholders' Equity
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Shareholders' equity, beginning balance			11,116.2	9,764.4
Net earnings			363.4	182.3
Other comprehensive earnings, net of tax			1,308.1	333.0
Stock option activity			8.9	6.5
Share-based compensation expense			42.0	51.9
Issuance of restricted stock, net of shares withheld			(5.7)	(9.6)
Tax benefit of stock option plans				1.4
Other			0.0	0.0
Shareholders' equity, ending balance	12,832.9	10,329.9	12,832.9	10,329.9
Noncontrolling Interest
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Shareholders' equity, beginning balance			1.4	1.4
Net earnings			0.0	0.0
Other			(1.4)	0.0
Shareholders' equity, ending balance	$ 0.0	$ 1.4	$ 0.0	$ 1.4