|
Intangible Assets Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
|
Jun. 30, 2013
|
|
| Goodwill [Line Items] | 听 | 听 | 听 | 听 |
| Amortization of Intangible Assets | $ 41 | $ 29 | $ 77 | $ 55 |
|
SIRIUS XM
|
听 | 听 | 听 | 听 |