Annual report pursuant to Section 13 and 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 12 Months Ended
Jun. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Consolidated segment Adjusted OIBDA   $ 450 $ 1,060 $ 324
Stock-based compensation   (66) (32) (83)
Gain on legal settlement   0 (2) 48
Depreciation and amortization   (58) (69) (94)
Interest expense   (33) (21) (65)
Dividend and interest income   78 79 88
Share of earnings (losses) of affiliates, net 1,229 1,346 87 (98)
Realized and unrealized gains (losses) on financial instruments, net (note 9)   232 68 260
Gains (losses) on dispositions, net   22 (10) 36
Other, net   41 5 10
Earnings (loss) from continuing operations before income taxes   2,012 1,165 426
Starz, LLC [Member]
       
Consolidated segment Adjusted OIBDA   445 449 343
Corporate And Other [Member]
       
Consolidated segment Adjusted OIBDA   $ (17) $ 617 $ (25)