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Stockholders' Equity (Details Textual) (USD $)
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12 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 12 Months Ended | 0 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Series B Preferred Stock [Member]
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Dec. 31, 2012
Series B Preferred Stock [Member]
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Dec. 31, 2013
Common Stock [Member]
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Jan. 18, 2013
Liberty Media [Member]
Series B Preferred Stock [Member]
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Sep. 30, 2012
Liberty Media [Member]
Series B Preferred Stock [Member]
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Mar. 31, 2009
Liberty Media [Member]
Series B Preferred Stock [Member]
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Jan. 18, 2013
Liberty Media [Member]
Common Stock [Member]
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Jan. 31, 2013
Liberty Media [Member]
Common Stock [Member]
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Sep. 30, 2012
Liberty Media [Member]
Common Stock [Member]
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Dec. 31, 2013
December 2012 Share Repurchase Program [Member]
Common Stock [Member]
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Oct. 09, 2013
October 2013 Share Repurchase Program [Member]
Liberty Media [Member]
Common Stock [Member]
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Dec. 31, 2013
October 2013 Share Repurchase Program [Member]
Liberty Media [Member]
Common Stock [Member]
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Nov. 12, 2013
October 2013 Share Repurchase Program [Member]
Liberty Media [Member]
Common Stock [Member]
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Dec. 31, 2013
Sirius XM Holdings Inc. [Member]
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Dec. 31, 2013
Sirius XM Radio Inc. [Member]
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Dec. 31, 2012
Sirius XM Radio Inc. [Member]
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Dec. 31, 2011
Sirius XM Radio Inc. [Member]
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Dec. 31, 2013
Sirius XM Radio Inc. [Member]
Series B Preferred Stock [Member]
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Dec. 31, 2012
Sirius XM Radio Inc. [Member]
Series B Preferred Stock [Member]
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Dec. 31, 2013
Sirius XM Radio Inc. [Member]
Share Repurchase Program [Member]
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Jan. 23, 2014
Subsequent Event [Member]
Amended October 2013 Share Repurchase Program [Member]
Liberty Media [Member]
Common Stock [Member]
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Apr. 25, 2014
Scenario, Forecast [Member]
Amended October 2013 Share Repurchase Program [Member]
Liberty Media [Member]
Common Stock [Member]
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Dec. 31, 2013
Other Current Assets [Member]
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Dec. 31, 2013
Related Party Current Assets [Member]
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Dec. 31, 2012
Deferred Financing Fees, Net [Member]
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Dec. 31, 2012
Long-term Related Party Assets [Member]
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| Additional Stockholder's Equity (Textual) [Abstract] | |||||||||||||||||||||||||||||
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | |||||||||||||||||||||||||
| Common stock, shares authorized | 9,000,000,000 | 9,000,000,000 | 1,000 | 9,000,000,000 | |||||||||||||||||||||||||
| Common stock, shares issued | 6,096,220,526 | 5,262,440,085 | 1,000 | 5,262,440,085 | |||||||||||||||||||||||||
| Common stock, shares outstanding | 6,096,220,526 | 5,262,440,085 | 1,000 | 5,262,440,085 | |||||||||||||||||||||||||
| Common stock reserved for issuance | 562,534,000 | ||||||||||||||||||||||||||||
| Stock repurchase program, authorized amount | $ 4,000,000,000 | $ 500,000,000 | |||||||||||||||||||||||||||
| Stock repurchased and retired during period, value | 160,000,000 | ||||||||||||||||||||||||||||
| Deferred repurchase amount | 240,000,000 | ||||||||||||||||||||||||||||
| Remaining amount authorized under the stock repurchase program | 2,237,640,000 | 340,000,000 | |||||||||||||||||||||||||||
| Share price (in dollars per share) | $ 3.66 | ||||||||||||||||||||||||||||
| Loss on change in value of derivative | 20,393,000 | 0 | 0 | 20,393,000 | |||||||||||||||||||||||||
| Gain (loss) on fair value of debt and equity instruments | (464,102,000) | 0 | 0 | 2,713,000 | |||||||||||||||||||||||||
| Common stock repurchased (in shares) | 520,257,866 | ||||||||||||||||||||||||||||
| Common stock repurchased | 1,764,969,000 | 1,762,360,000 | 1,764,969,000 | ||||||||||||||||||||||||||
| Amortization of costs related to share-lending arrangement and other issuance costs | 12,745,000 | 12,402,000 | 11,189,000 | ||||||||||||||||||||||||||
| Unamortized, debt issuance costs | $ 12,701,000 | $ 27,652,000 | $ 12,423,000 | $ 278,000 | $ 27,099,000 | $ 553,000 | |||||||||||||||||||||||
| Preferred stock, par value (in dollars per share) | $ 0.001 | ||||||||||||||||||||||||||||
| Undesignated preferred stock, shares authorized | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 0 | 50,000,000 | |||||||||||||||||||||||
| Preferred stock, shares issued | 0 | 6,250,100 | 12,500,000 | 0 | 6,250,100 | ||||||||||||||||||||||||
| Preferred stock, shares outstanding | 0 | 6,250,100 | 0 | 6,250,100 | |||||||||||||||||||||||||
| Conversion of preferred stock to common stock (in shares) | 6,250,100 | 6,249,900 | 6,250,100 | 6,249,900 | 1,293,509,076 | 1,293,509,076 | 1,293,467,684 | 6,250,100 | 6,249,900 | ||||||||||||||||||||