Earnings Per Common Share Attributable To Mylan Inc. (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended					0 Months Ended
	May 10, 2012	Sep. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Sep. 15, 2008	Sep. 15, 2008 Old Warrants	Sep. 30, 2011 New Warrants	Sep. 15, 2008 Convertible Debt Cash Convertible Notes	Jun. 30, 2012 Convertible Debt Cash Convertible Notes	Dec. 31, 2011 Convertible Debt Cash Convertible Notes
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Principal amount of debt instrument										$ 575.0	$ 575.0	$ 575.0
Debt instrument, maturity date					Sep. 15, 2015					Sep. 15, 2015
Warrant rights number of shares							43.2
Warrants issued exercise price per share								20.00	30.00
Number of warrants exchanged		41.0
Shares included in calculation of diluted earnings per share			0.2	6.5	0.2	5.9
Stock awards excluded from computation of earnings per share			8.2	4.9	7.4	4.0
Stock repurchase program, authorized amount	500.0
Treasury stock, shares, acquired					23.4
Treasury stock, value, acquired, cost method					$ 500.0