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
Mar. 31, 2013
Mar. 31, 2012
Consolidated segment Adjusted OIBDA $ 271 $ (17)
Stock-based compensation (41) (6)
Depreciation and amortization (70) (9)
Interest expense (11) (3)
Dividend and interest income 12 22
Share of earnings (losses) of affiliates, net 17 12
Realized and unrealized gains (losses) on financial instruments, net 97 111
Gains (losses) on dispositions, net 7,479 0
Other, net (5) 2
Earnings (loss) from continuing operations before income taxes 7,749 112
Corporate And Other [Member]
   
Consolidated segment Adjusted OIBDA $ 2 $ 0