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Long-Term Debt (Narrative) (Details) (USD $)
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0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | |||||||||
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Mar. 31, 2014
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Mar. 31, 2014
Starz Bank Facility
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Dec. 31, 2012
Starz Bank Facility
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Mar. 31, 2014
Sirius XM credit facility, unused fee percentage
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Oct. 17, 2013
1.375% Cash Convertible Senior Notes due 2023
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Apr. 30, 2013
$1 billion margin loan due 2014
Term loan
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Mar. 31, 2014
$1 billion margin loan due 2014
Term loan
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Apr. 30, 2013
$1 billion margin loan due 2014
Revolving Credit Facility
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Mar. 31, 2014
$1 billion margin loan due 2014
Revolving Credit Facility
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Mar. 31, 2014
$670 million margin loan due 2015
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May 01, 2013
$670 million margin loan due 2015
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Oct. 17, 2013
Common Class A
1.375% Cash Convertible Senior Notes due 2023
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Oct. 17, 2013
1.375% Convertible Notes Bond Hedge Transaction
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Oct. 17, 2013
1.375% Convertible Notes Bond Hedge Transaction
Common Class A
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| Debt Instrument [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Debt face amount | $ 4,719,000,000 | Ìý | Ìý | Ìý | $ 1,000,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | $ 670,000,000 | Ìý | Ìý | Ìý |
| Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | Ìý | 0.35% | 1.375% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Debt Instrument, Convertible, Conversion Ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 5.5882 | Ìý | Ìý |
| Debt instrument, face amount per debenture | Ìý | Ìý | Ìý | Ìý | 1,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| conversion price for exchangeable debt | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 178.95 | Ìý | Ìý |
| Forward contract, number of underlying shares | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 5,588,200 |
| Payments for Derivative Instrument, Investing Activities | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 299,000,000 | Ìý |
| Borrowings of debt | Ìý | Ìý | Ìý | Ìý | Ìý | 250,000,000 | Ìý | 450,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Debt Instrument, Description of Variable Rate Basis | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | LIBOR | Ìý | Ìý | LIBOR | Ìý | Ìý | Ìý | Ìý |
| Debt Instrument, Basis Spread on Variable Rate | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2.00% | Ìý | Ìý | 3.25% | Ìý | Ìý | Ìý | Ìý |
| Line of Credit Facility, Remaining Borrowing Capacity | Ìý | 940,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 750,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Incremental borrowing capacity | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,000,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Line of Credit Facility, Maximum Borrowing Capacity | Ìý | Ìý | $ 1,250,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |