Annual report pursuant to Section 13 and 15(d)

Income Taxes Income Taxes (Pre-tax Income, Domestic and Foreign) (Details)

v3.10.0.1
Income Taxes Income Taxes (Pre-tax Income, Domestic and Foreign) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]      
Consolidated pre- tax income $ 1,262 $ 1,086 $ 1,027
QVC-U.S.      
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]      
U.S. pre-tax income 1,033 915 859
QVC-International      
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]      
Foreign pre- tax income 200 209 168
HSN, Inc.      
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]      
Foreign pre- tax income $ 29 $ (38) $ 0