Summary Of Significant Accounting Policies (Basic And Diluted Earnings Per Common Share Attributable To Mylan Inc.) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summary Of Significant Accounting Policies [Abstract]
Net earnings attributable to Mylan Inc. before preferred dividends																	$ 536,810	$ 345,115	$ 232,571
Less: Preferred dividends																		121,535	139,035
Net earnings attributable to Mylan Inc. common shareholders	129,491		156,698		146,446		104,175	[1]	2,589	[2]	108,424		51,469		61,098		536,810	223,580	93,536
Weighted average common shares outstanding																	430,839	324,453	305,162
Basic earnings per common share attributable to Mylan Inc. common shareholders	$ 0.30	[3]	$ 0.37	[3]	$ 0.34	[3]	$ 0.24	[1],[3]	$ 0.01	[2],[3]	$ 0.35	[3]	$ 0.17	[3]	$ 0.20	[3]	$ 1.25	$ 0.69	$ 0.31
Net earnings attributable to Mylan Inc. common shareholders	129,491		156,698		146,446		104,175	[1]	2,589	[2]	108,424		51,469		61,098		536,810	223,580	93,536
Add: Preferred dividends
Earnings attributable to Mylan Inc. common shareholders and assumed conversions																	$ 536,810	$ 223,580	$ 93,536
Weighted average common shares outstanding																	430,839	324,453	305,162
Stock-based awards and warrants																	7,946	4,526	1,751
Preferred stock conversion
Total dilutive shares outstanding																	438,785	328,979	306,913
Diluted earnings per common share attributable to Mylan Inc. common shareholders	$ 0.30	[3]	$ 0.36	[3]	$ 0.33	[3]	$ 0.23	[1],[3]	$ 0.01	[2],[3]	$ 0.33	[3]	$ 0.16	[3]	$ 0.20	[3]	$ 1.22	$ 0.68	$ 0.30

[1] The results for the three months ended March 31, 2011 and December 31, 2011 include $24.0 million and $20.1 million, respectively, of net charges related to litigation.

[2] The results for the three months ended December 31, 2010 include $112.8 million of net charges related to litigation.

[3] The sum of earnings per share for the quarters may not equal earnings per share for the total year due to changes in the average number of common shares outstanding and the effect of the if-converted method related to our outstanding mandatorily convertible preferred stock. On November 15, 2010, the conversion of our 6.50% mandatorily convertible preferred stock into 125,234,172 shares of Mylan's common stock was completed.