Employee Benefit Plans (Notes)  | 
12 Months Ended | 
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Dec. 31, 2019  | |
| Retirement Benefits [Abstract] | |
| Employee Benefit Plans | 
 Employee Benefit Plans 
In certain countries, QVC sponsors defined contribution plans, which provide employees an opportunity to make contributions to a trust for investment in a variety of securities. Generally, the Company makes matching contributions to the plans based on a percentage of the amount contributed by employees. The Company's cash contributions to the plans were $21 million, $22 million and $18 million for the years ended December 31, 2019, 2018 and 2017, respectively.
 
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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- References No definition available. 
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