|
Investments In Affiliates Accounted For Using The Equity Method (Narrative) (Details) (USD $)
|
9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 0 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
May 31, 2013
Charter Communications
|
Sep. 30, 2014
Charter Communications
|
Sep. 30, 2014
Charter Communications
|
Sep. 30, 2014
SIRIUS XM
|
Sep. 30, 2014
SIRIUS XM
|
Sep. 30, 2014
Live Nation
|
Sep. 30, 2014
Sirius XM Canada
|
Sep. 30, 2013
Sirius XM Canada
|
Sep. 30, 2014
Sirius XM Canada
|
Sep. 30, 2013
Sirius XM Canada
|
Sep. 30, 2013
Charter Communications
|
Sep. 30, 2014
Charter Communications
|
Jan. 18, 2013
SIRIUS XM
|
|
| Equity Method Investments and Operating Activities Segment [Line Items] | |||||||||||||||
| Aggregate cost | $ 2,600,000,000 | ||||||||||||||
| Purchase of shares in equity method investee | 26,900,000 | 896,845 | 1,700,000 | 50,000,000 | |||||||||||
| Warrants acquired | 1,100,000 | ||||||||||||||
| Percentage ownership | 27.00% | 25.00% | 25.00% | 27.00% | 37.00% | 37.00% | |||||||||
| Price-per-share | $ 95.50 | ||||||||||||||
| Difference between carrying amount and underlying equity | 2,500,000,000 | 2,400,000,000 | 2,400,000,000 | ||||||||||||
| Losses (gains) on dilution of investment in affiliate | 67,000,000 | 55,000,000 | 11,000,000 | 61,000,000 | 55,000,000 | 55,000,000 | |||||||||
| Due from Related Parties | 6,000,000 | 6,000,000 | |||||||||||||
| Due to Related Parties | 18,000,000 | 18,000,000 | |||||||||||||
| Revenue from Related Parties | 12,000,000 | 36,000,000 | |||||||||||||
| Dividends | $ 5,000,000 | $ 5,000,000 | $ 39,000,000 | $ 12,000,000 | |||||||||||