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Amortization of costs related to share-lending arrangement and other issuance costs.

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Class of Warrant or Right, Expense Recognized

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Share Repurchase Program, Shares Repurchased, Cost

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Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of warrants or rights outstanding.

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Aggregate number of common shares reserved for future issuance.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Price of a single share of a number of saleable stocks of a company.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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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).

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Stockholders' Equity (Details Textual) (USD $)	12 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended
Stockholders' Equity (Details Textual) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 18, 2013	Jan. 31, 2013	Apr. 25, 2014	Dec. 31, 2011	Oct. 09, 2013	May 31, 2014	Aug. 31, 2014
Additional Stockholder's Equity (Textual) [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (up to 9,000,000,000)	9,000,000,000us-gaap_CommonStockSharesAuthorized	9,000,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in shares)	5,653,529,403us-gaap_CommonStockSharesIssued	6,096,220,526us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	5,646,119,122us-gaap_CommonStockSharesOutstanding	6,096,220,526us-gaap_CommonStockSharesOutstanding
Common stock reserved for issuance	296,096,000
Number of shares repurchased	1,259,274,498
Aggregate cost for shares repurchased	$ 4,285,192,000
Remaining amount authorized under the stock repurchase program	1,714,808,000
Treasury stock	26,034,000us-gaap_TreasuryStockValue	0us-gaap_TreasuryStockValue
Loss on change in value of derivatives	34,485,000	20,393,000	0
Amortization of costs related to share-lending arrangement and other issuance costs	12,701,000	12,745,000	12,402,000
Unamortized, debt issuance costs		12,701,000us-gaap_UnamortizedDebtIssuanceExpense
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Undesignated preferred stock, shares authorized	50,000,000us-gaap_PreferredStockSharesAuthorized	50,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Number of warrants exercised (in shares)	1,788,000
Warrants outstanding	16,667,000	18,455,000
Weighted average exercise price on outstanding warrants	$ 2.50	$ 2.55
Warrant expenses	0	0	0
Other Current Assets [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Unamortized, debt issuance costs		12,423,000
Related Party Current Assets [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Unamortized, debt issuance costs		278,000
Liberty Media [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Loss on change in value of derivatives	34,485,000	20,393,000
Common Stock [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Common stock, shares issued (in shares)	5,653,529,403	6,096,220,526	5,262,440,085				3,753,201,929
Conversion of preferred stock to common stock (in shares)		1,293,509,076	1,293,467,684
Issuance of common stock upon exercise of warrants (in shares)	99,349
Common Stock [Member] \| Liberty Media [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Conversion of preferred stock to common stock (in shares)				1,293,509,076	1,293,509,076
Common Stock [Member] \| December 2012 Share Repurchase Program [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Stock repurchase program, authorized amount	6,000,000,000
Common Stock [Member] \| October 2013 Share Repurchase Program [Member] \| Liberty Media [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Stock repurchase program, authorized amount								500,000,000
Stock repurchased and retired during period, value		160,000,000
Number of shares repurchased and retired		43,712,265
Share price (in dollars per share)						$ 3.66
Common Stock [Member] \| Amended October 2013 Share Repurchase Program [Member] \| Liberty Media [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Stock repurchased and retired during period, value						340,000,000
Number of shares repurchased and retired						92,888,561
Common Stock [Member] \| May ASR Agreement [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Stock repurchase program, authorized amount									600,000,000
Number of shares repurchased and retired	151,846,125
Stock repurchase program, unused portion of authorized amount	93,596,000
Common Stock [Member] \| August ASR Agreement [Member]
Additional Stockholder's Equity (Textual) [Abstract]
Stock repurchase program, authorized amount										$ 250,000,000
Number of shares repurchased and retired	71,316,503