Earnings per Common Share Attributable to Mylan Inc. (Basic and Diluted Earnings Per Common Share Attributable To Mylan Inc.) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Net earnings attributable to Mylan Inc. common shareholders	$ 499.1	$ 158.9	$ 740.2	$ 443.5
Weighted average common shares outstanding	374.1	382.1	373.4	385.5
Basic earnings per common share attributable to Mylan Inc. common shareholders	$ 1.33	$ 0.42	$ 1.98	$ 1.15
Weighted average number diluted shares outstanding adjustment, stock-based awards and warrants	23.2	13.4	23.7	8.4
Total dilutive shares outstanding	397.3	395.5	397.1	393.9
Diluted earnings per common share attributable to Mylan Inc. common shareholders	$ 1.26	$ 0.40	$ 1.86	$ 1.13