Quarterly report pursuant to Section 13 or 15(d)

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
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Segment Reporting [Abstract]        
Adjusted OIBDA $ 449 $ 439 $ 856 $ 851
Stock-based compensation (7) (10) (15) (18)
Depreciation and amortization (148) (145) (301) (289)
Equity in losses of investee (3) (2) (4) (3)
Interest expense, net (50) (60) (109) (122)
Foreign currency (loss) gain (11) 1 (1) 0
Loss on extinguishment of debt (21) 0 (21) 0
Income before income taxes $ 209 $ 223 $ 405 $ 419