Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 1)

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Summary of Significant Accounting Policies (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Debt, fair value $ 4,066,755 $ 3,055,076  
Debt, carrying value 3,601,595 2,435,220 [1]  
Sirius XM Radio Inc. [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Loss on fair value of debt and equity instruments 464,102 0 0
Debt, carrying value 4,068,410    
Sirius XM Canada [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Investment balance, carrying value 26,972 [2] 37,983 [2]  
Investment balance, fair value 432,200 290,900  
Related Party Current Liabilities [Member] | Liberty Media [Member] | Level 2 [Member] | Sirius XM Holdings Inc. [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Derivatives asset (liability), fair value (15,702)    
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Interest rate on instrument 7.00% 7.00% 7.00%
7% Exchangeable Senior Subordinated Notes due 2014 [Member] | Sirius XM Radio Inc. [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Loss on fair value of debt and equity instruments 466,815    
7% Exchangeable Senior Subordinated Notes due 2014 [Member] | Level 2 [Member] | Sirius XM Radio Inc. [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Convertible debt, fair value $ 466,815 [3]    
7% Exchangeable Senior Subordinated Notes due 2014 [Member] | Liberty Media [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Interest rate on instrument 7.00% 7.00%  
8% Convertible Unsecured Subordinated Debentures [Member] | Sirius XM Canada [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Interest rate on instrument 8.00%    
8% Convertible Unsecured Subordinated Debentures [Member] | Sirius XM Canada [Member] | Level 3 [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Interest rate on instrument 8.00%    
[1] During the year ended December 31, 2012, we purchased $257,000 of our then outstanding 9.75% Senior Secured Notes due 2015 (the "9.75% Notes") for an aggregate purchase price, including interest, of $281,698. We recognized an aggregate loss on the extinguishment of the 9.75% Notes of $22,184 during the year ended December 31, 2012, consisting primarily of unamortized discount, deferred financing fees and repayment premium, to Loss on extinguishment of debt and credit facilities, net. During the year ended December 31, 2012, we purchased $778,500 of our then outstanding 13% Senior Notes due 2013 (the "13% Notes") for an aggregate purchase price, including interest, of $879,133. We recognized an aggregate loss on the extinguishment of these 13% Notes of $110,542 during the year ended December 31, 2012, consisting primarily of unamortized discount, deferred financing fees and repayment premium, to Loss on extinguishment of debt and credit facilities, net.
[2] The investment balance included equity method goodwill and intangible assets of $26,161 and $27,615 as of December 31, 2013 and 2012, respectively.
[3] In connection with our corporate reorganization in November 2013, the Exchangeable Notes were amended such that the settlement of the conversion feature is into shares of Holdings' common stock and Holdings and Sirius XM became co-obligors with respect to the Exchangeable Notes. As of December 31, 2013, $466,815 was recorded to Sirius XM's consolidated balance sheet in Current maturities of long-term debt for the fair value of the Exchangeable Notes in excess of the carrying amount. Changes in fair value are recorded in Loss on fair value of debt and equity instruments within Sirius XM's consolidated statements of comprehensive income. We recognized $466,815 in Loss on fair value of debt and equity instruments during the year ended December 31, 2013. The additional fair value in excess of the carrying amount of this instrument is eliminated in Holdings' consolidated balance sheets and statements of comprehensive income.