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Guarantor/Non-Guarantor Subsidiary Financial Information (Narrative) (Details)	Jun. 30, 2019
Guarantor Non-guarantor Subsidiary Financial Information [Abstract]
Subsidiary Guarantors, Ownership Percentage	100.00%

X

- Definition

Guarantor/Non-guarantor Subsidiary Financial Information [Abstract]

+ References

No definition available.

+ Details

Name:	qvc_GuarantorNonGuarantorSubsidiaryFinancialInformationAbstract
Namespace Prefix:	qvc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of the parent entity’s ownership of the subsidiary guarantors, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	qvc_SubsidiaryGuarantorsOwnershipPercentage
Namespace Prefix:	qvc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant