Annual report pursuant to Section 13 and 15(d)

Transactions with Officers and Directors (Details)

v2.4.0.6
Transactions with Officers and Directors (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended 60 Months Ended 3 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2014
Nov. 19, 2009
Dec. 31, 2011
Chief Executive Officer [Member]
Dec. 31, 2009
Segment, Liberty Interactive [Member]
Chief Executive Officer [Member]
Dec. 31, 2009
Segment, Liberty Starz [Member]
Chief Executive Officer [Member]
Dec. 31, 2009
Segment, Liberty Capital [Member]
Chief Executive Officer [Member]
Officers' Compensation       $ 1.5          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 6,158,000 10,600,000 17,500,000       8,743,000 760,000 1,353,000
Equity Method Investment, Aggregate Cost           4      
Annual base salary increase       5.00%          
Annual target cash bonus       200.00%          
Officer compensation upon death or termination without cause       $ 7.8          
Termination Benefit Period (months)       18          
Equity Method Investment, Ownership Percentage         57.00% 15.00%