Quarterly report pursuant to Section 13 or 15(d)

Information About Liberty's Operating Segments (Other Information By Segment) (Details)

v2.4.0.6
Information About Liberty's Operating Segments (Other Information By Segment) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Assets $ 32,396 $ 8,325
Investments in affiliates, accounted for using the equity method (note 7) 870 3,341
Payments to Acquire Productive Assets 26  
SIRIUS XM [Member]
   
Assets 28,067  
Investments in affiliates, accounted for using the equity method (note 7) 281  
Payments to Acquire Productive Assets 25  
ANLBC [Member]
   
Assets 586  
Investments in affiliates, accounted for using the equity method (note 7) 34  
Payments to Acquire Productive Assets 1  
Corporate And Other [Member]
   
Assets 3,743  
Investments in affiliates, accounted for using the equity method (note 7) 555  
Payments to Acquire Productive Assets $ 0