Registration of securities issued in business combination transactions

Information about QVC's Operating Segments (Reconciliation of Adjusted OIBDA to Income before Income Taxes) (Details)

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Information about QVC's Operating Segments (Reconciliation of Adjusted OIBDA to Income before Income Taxes) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting [Abstract]          
Consolidated Adjusted OIBDA $ 404 $ 390 $ 1,828 $ 1,733 $ 1,673
Stock-based compensation (10) (5) (34) (22) (18)
Depreciation and amortization (134) (127) (526) (574) (523)
(Loss) gain on investments 1 0 (4) (2) 105
Gain on financial instruments 12 11 48 50 40
Interest expense (63) (55) (235) (231) (415)
Interest income 0 1 2 2 2
Foreign currency gain (loss) (1) 6 2 (2) (8)
Other         (23)
Income before income taxes $ 168 $ 221 $ 1,081 $ 954 $ 833