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Basis of Presentation (Narrative) (Details) (USD $)
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3 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended | ||||
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Mar. 31, 2014
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Mar. 31, 2013
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Mar. 31, 2014
Lease Agreements
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Oct. 09, 2013
SIRIUS XM
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Jan. 18, 2013
SIRIUS XM
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Dec. 31, 2013
SIRIUS XM
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Mar. 31, 2013
SIRIUS XM
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Mar. 31, 2014
SIRIUS XM
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May 08, 2014
Subsequent Event
Liberty Broadband
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Apr. 25, 2014
Subsequent Event
SIRIUS XM
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| Entity Information [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Related Party Costs | $ 2,000,000 | $ 4,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Related Party Transaction, Amounts of Transaction | Ìý | Ìý | 3,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Purchase of shares in equity method investee | Ìý | Ìý | Ìý | Ìý | 50,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Convertible Preferred Stock, Shares Issued upon Conversion | Ìý | Ìý | Ìý | Ìý | 1,293,509,076 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 50.00% | Ìý | Ìý | Ìý |
| Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain | Ìý | Ìý | Ìý | Ìý | 7,500,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock Repurchased and Retired During Period, Shares | Ìý | Ìý | Ìý | Ìý | Ìý | 43,712,265 | Ìý | 136,600,826 | Ìý | Ìý |
| Payments for Repurchase of Common Stock | 0 | 140,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | 500,000,000 | Ìý | Ìý |
| Number of Reportable Segments | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 3 | Ìý | Ìý |
| Stock Repurchased and Retired During Period, Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 3.6603 | Ìý | 340,000,000 |
| Share repurchases, discount from market price | Ìý | Ìý | Ìý | 1.50% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Volume weighted average price period | Ìý | Ìý | Ìý | 10 days | Ìý | Ìý | Ìý | Ìý | 20 days | Ìý |
| Volume weighted average share price, cap | Ìý | Ìý | Ìý | 4.18 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Volume weighted average share price, floor | Ìý | Ìý | Ìý | $ 3.64 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock repurchased as a percentage of shares outstanding | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2.00% | Ìý | Ìý |
| Number of shares received in spin-off | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.25 | Ìý |
| Common Stock, Shares Subscribed but Unissued | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1 | Ìý |
| Subscription right basis | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 5 | Ìý |
| Subscription right discount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 20.00% | Ìý |
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- Details
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- Definition
Number of share repurchase tranches No definition available.
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- Definition
Number of shares received in spin-off of Liberty Broadband per share of jvidÊÓƵ common stock owned at the spin-off record date No definition available.
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- Definition
Number of shares purchased in equity method investee No definition available.
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- Definition
Share repurchases, discount from market price No definition available.
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- Definition
Stock repurchased as a percentage of shares outstanding No definition available.
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- Definition
Number of shares received in spin-off per subscription right No definition available.
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- Definition
Subscription right discount on VWAP of underlying shares No definition available.
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- Definition
Volume weighted average price period No definition available.
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- Definition
Volume weighted average price per share, cap No definition available.
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- Definition
Volume weighted average price per share, floor No definition available.
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- Definition
In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares issued for each share of convertible preferred stock that is converted. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow to reacquire common stock during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions. No definition available.
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