Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets Intangible Assets (Narrative) (Details)

v2.4.0.8
Intangible Assets Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Goodwill [Line Items]        
Amortization of Intangible Assets $ 38 $ 30 $ 115 $ 85
SIRIUS XM
       
Goodwill [Line Items]        
Indefinite-Lived Trade Names 930   930  
ANLBC
       
Goodwill [Line Items]        
Indefinite-Lived Franchise Rights $ 143   $ 143