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
Mar. 31, 2014
Mar. 31, 2013
Goodwill [Line Items]    
Amortization of Intangible Assets $ 36 $ 26
SIRIUS XM
   
Goodwill [Line Items]    
Indefinite-Lived Trade Names 930  
ANLBC
   
Goodwill [Line Items]    
Indefinite-Lived Franchise Rights $ 143