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
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Net earnings attributable to Mylan Inc. common shareholders	$ 115.9	$ 106.9
Weighted average common shares outstanding	372.3	393.2
Basic earnings per common share attributable to Mylan Inc. common shareholders	$ 0.31	$ 0.27
Weighted average number diluted shares outstanding adjustment, stock-based awards and warrants	24.4	5.8
Total dilutive shares outstanding	396.7	399.0
Diluted earnings per common share attributable to Mylan Inc. common shareholders	$ 0.29	$ 0.27