Quarterly report pursuant to Section 13 or 15(d)

Information About Liberty's Operating Segments (Reconciliation Of Segment Adjusted OIBDA To Earnings (Loss) From Continuing Operations Before Income Taxes) (Details)

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Information About Liberty's Operating Segments (Reconciliation Of Segment Adjusted OIBDA To Earnings (Loss) From Continuing Operations Before Income Taxes) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Consolidated segment Adjusted OIBDA $ 455 $ 450 $ 873 $ 828
Stock-based compensation (18) (14) (35) (30)
Depreciation and amortization (147) (148) (290) (297)
Interest expense (107) (107) (213) (221)
Share of earnings (losses) of affiliates 35 37 46 57
Realized and unrealized gains on financial instruments, net (160) 89 (178) 30
Gains (losses) on dispositions, net 288 0 288 0
Other, net 30 3 33 21
Earnings from continuing operations before income taxes 376 310 524 388
QVC [Member]
       
Consolidated segment Adjusted OIBDA 438 418 828 781
Corporate And Other [Member]
       
Consolidated segment Adjusted OIBDA $ (6) $ (4) $ (12) $ (18)