| Information About Liberty's Operating Segments (Performance Measures By Segment) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | |
| Total revenues | $ 1,025 | $ 1,110 | $ 1,078 | $ 789 | $ 44 | $ 154 | $ 135 | $ 35 | $ 4,002 | $ 368 | $ 1,409 | 
| Adjusted OIBDA | 1,322 | 8 | 609 | ||||||||
| Revenue, Net | 1,025 | 1,110 | 1,078 | 789 | 44 | 154 | 135 | 35 | 4,002 | 368 | 1,409 | 
| Starz, LLC [Member] | |||||||||||
| Total revenues | 3,625 | ||||||||||
| Adjusted OIBDA | 1,289 | ||||||||||
| Revenue, Net | 3,625 | ||||||||||
| Corporate And Other [Member] | |||||||||||
| Total revenues | 377 | 368 | 1,409 | ||||||||
| Adjusted OIBDA | 33 | 8 | 609 | ||||||||
| Revenue, Net | $ 377 | $ 368 | $ 1,409 | ||||||||