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           Interest Costs 
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           Dec. 31, 2011 
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| Interest Costs Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest Costs | 
   
   
 We capitalized a portion of the interest on funds borrowed to finance the construction costs of our satellites and related launch vehicles for our FM-6 satellite for the year ended December 31, 2011 and for our FM-6 and XM-5 satellites for the years ended December 31, 2010 and 2009. We also incur interest costs on all of our debt instruments and on our satellite incentive agreements. The following is a summary of our interest costs: 
 
 
 Included in interest costs incurred is non-cash interest expense, consisting of amortization related to original issue discounts, premiums and deferred financing fees of $39,515, $42,841 and $43,066 for the years ended December 31, 2011, 2010 and 2009, respectively. 
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