Earnings Per Common Share Attributable To Mylan Inc. (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended			0 Months Ended	3 Months Ended		1 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Sep. 15, 2008	Sep. 15, 2008 Cash Convertible Notes [Member]	Mar. 31, 2012 Cash Convertible Notes [Member]	Dec. 31, 2011 Cash Convertible Notes [Member]	Sep. 30, 2011 Old Warrants [Member]	Sep. 15, 2008 Old Warrants [Member]	Sep. 30, 2011 New Warrants [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Principal amount of debt instrument				$ 575,000,000	$ 575,000,000	$ 575,000,000
Debt instrument, maturity date				Sep. 15, 2015	Sep. 15, 2015
Warrant rights number of shares			43.2
Warrants issued exercise price								$ 20.00	$ 30.00
Number of warrants exchanged							41,000,000
Shares included in calculation of diluted earnings per share	0.2	5.2
Stock awards excluded from computation of earnings per share	6.4	3.2