Investments In Affiliates Accounted For Using The Equity Method (Narrative) (Details) (USD $)
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6 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||||||
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Jun. 30, 2014
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Jun. 30, 2013
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May 01, 2013
Charter Communications
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Jun. 30, 2014
Charter Communications
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Jun. 30, 2013
Charter Communications
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Jun. 30, 2014
Live Nation
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Jun. 30, 2014
Sirius XM Canada
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Jun. 30, 2013
Sirius XM Canada
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Jun. 30, 2014
Sirius XM Canada
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Jun. 30, 2013
Sirius XM Canada
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Jun. 30, 2014
Charter Communications
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Jun. 30, 2013
Charter Communications
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Jun. 30, 2014
Charter Communications
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Jun. 30, 2013
Charter Communications
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May 01, 2013
Charter Communications
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Jun. 30, 2014
SIRIUS XM
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Jun. 30, 2014
SIRIUS XM
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Equity Method Investments and Operating Activities Segment [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||||
Aggregate cost | Ìý | Ìý | Ìý | Ìý | $ 2,600,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||||
Purchase of shares in equity method investee | Ìý | Ìý | 26,900,000 | 896,845 | Ìý | 1,700,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||||
Warrants acquired | Ìý | Ìý | 1,100,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||||
Percentage ownership | Ìý | Ìý | 27.00% | 26.00% | [1] | Ìý | 27.00% | [2],[3] | 37.00% | Ìý | 37.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||
Price-per-share | Ìý | Ìý | $ 95.50 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||||
Difference between carrying amount and underlying equity | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2,400,000,000 | Ìý | 2,400,000,000 | Ìý | 2,500,000,000 | Ìý | Ìý | ||||||||
Gain (loss) on dilution of investment in affiliate | 54,000,000 | 3,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 4,000,000 | 3,000,000 | 50,000,000 | 3,000,000 | Ìý | Ìý | Ìý | ||||||||
Due from Related Parties | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 5,000,000 | 5,000,000 | ||||||||
Due to Related Parties | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 20,000,000 | 20,000,000 | ||||||||
Revenue from Related Parties | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 12,000,000 | 24,000,000 | ||||||||
Dividends | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 30,000,000 | $ 4,000,000 | $ 34,000,000 | $ 7,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | ||||||||
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