Annual report pursuant to Section 13 and 15(d)

Guarantor/Non-Guarantor Subsidiary Financial Information (Statement of Comprehensive Income (Loss) (Details)

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Guarantor/Non-Guarantor Subsidiary Financial Information (Statement of Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Condensed Financial Statements, Captions [Line Items]                      
Net income $ 225 $ 188 $ 218 $ 186 $ 291 $ 181 $ 244 $ 212 $ 817 $ 928 $ 947
Foreign currency translation adjustments, net of tax                 1 (48) 135
Total comprehensive income                 818 880 1,082
Comprehensive income attributable to noncontrolling interest                 (51) (49) (50)
Comprehensive income attributable to QVC, Inc. stockholder                 767 831 1,032
Parent issuer- QVC, Inc.                      
Condensed Financial Statements, Captions [Line Items]                      
Net income                 817 928 947
Foreign currency translation adjustments, net of tax                 1 (48) 135
Total comprehensive income                 818 880 1,082
Comprehensive income attributable to noncontrolling interest                 (51) (49) (50)
Comprehensive income attributable to QVC, Inc. stockholder                 767 831 1,032
Combined subsidiary guarantors                      
Condensed Financial Statements, Captions [Line Items]                      
Net income                 502 601 627
Foreign currency translation adjustments, net of tax                 0 0 0
Total comprehensive income                 502 601 627
Comprehensive income attributable to noncontrolling interest                 0 0 0
Comprehensive income attributable to QVC, Inc. stockholder                 502 601 627
Combined non-guarantor subsidiaries                      
Condensed Financial Statements, Captions [Line Items]                      
Net income                 111 75 91
Foreign currency translation adjustments, net of tax                 2 (48) 135
Total comprehensive income                 113 27 226
Comprehensive income attributable to noncontrolling interest                 (51) (49) (50)
Comprehensive income attributable to QVC, Inc. stockholder                 62 (22) 176
Consolidated Entity Excluding Variable Interest Entities (VIE) [Member]                      
Condensed Financial Statements, Captions [Line Items]                      
Net income                 (613) (676) (718)
Foreign currency translation adjustments, net of tax                 (2) 48 (135)
Total comprehensive income                 (615) (628) (853)
Comprehensive income attributable to noncontrolling interest                 51 49 50
Comprehensive income attributable to QVC, Inc. stockholder                 $ (564) $ (579) $ (803)