Information about QVC's Operating Segments (Depreciation/Amortization by Segment) (Details) - USD ($) $ in Millions  | 
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2022  | 
Jun. 30, 2021  | 
Jun. 30, 2022  | 
Jun. 30, 2021  | 
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| Segment Reporting Information [Line Items] | ||||
| Depreciation | $ 32 | $ 38 | $ 67 | $ 78 | 
| Amortization | 70 | 64 | 144 | 126 | 
| QxH [Member] | ||||
| Segment Reporting Information [Line Items] | ||||
| Depreciation | 22 | 24 | 45 | 50 | 
| Amortization | 66 | 61 | 137 | 120 | 
| QVC-International | ||||
| Segment Reporting Information [Line Items] | ||||
| Depreciation | 10 | 14 | 22 | 28 | 
| Amortization | $ 4 | $ 3 | $ 7 | $ 6 | 
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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