Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Schedule Of Liberty's Share Of Earnings (Losses) Of Affiliates) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Schedule Of Liberty's Share Of Earnings (Losses) Of Affiliates) (Details) (USD $)
In Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Share of earnings of affiliates, net (note 7) $ 15 $ 39 $ 7 $ 48
Segment, Liberty Interactive [Member] | Expedia [Member]
        
Share of earnings of affiliates, net (note 7) 35 28 48 42
Segment, Liberty Capital [Member] | Other Securities [Member]
        
Share of earnings of affiliates, net (note 7) 1 (5) 3 (11)
Segment, Liberty Interactive [Member] | Other Securities [Member]
        
Share of earnings of affiliates, net (note 7) 2 8 9 17
Segment, Liberty Capital [Member] | SIRIUS XM [Member]
        
Share of earnings of affiliates, net (note 7) (1) 8 (8)  
Segment, Liberty Capital [Member] | Live Nation [Member]
        
Share of earnings of affiliates, net (note 7) (22) [1]   (45) [1]  
Segment, Liberty Interactive [Member]
        
Share of earnings of affiliates, net (note 7) 37 36 57 59
Segment, Liberty Capital [Member]
        
Share of earnings of affiliates, net (note 7) $ (22) $ 3 $ (50) $ (11)
[1] During June 2011, Liberty acquired an additional 5.5 million shares of Live Nation which increased our ownership percentage above 20% of the outstanding voting shares. Due to the presumption that an entity with an ownership percentage greater than 20% has significant influence and no other factors would rebut that presumption, the Company is accounting for the investment as an equity method affiliate. The Company has elected to record its share of earnings (loss) for Live Nation on a three-month lag due to timeliness considerations. Increases in ownership which result in a change to the equity method of accounting generally require retroactive recognition of an investment's share of earnings (loss) in prior periods. Due to the relative insignificance of our share of losses for Live Nation in previous periods, both quantitatively and qualitatively, the Company has recorded such amounts in the current year. Approximately $12 million of the losses recorded for the six months ended June 30, 2011 relate to the prior year.