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v3.21.2

Basis of Presentation (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 30, 2020 | Dec. 31, 2018
General business information |  |  |  |  |  |
Dividends paid to noncontrolling interest |  | $ 46 | $ 46 |  |  |
Note receivable - related party (note 1) | $ 1,825 | $ 1,825 |  | $ 1,825 | $ 1,800 |
Receivable with Imputed Interest, Effective Yield (Interest Rate) |  | 0.48% |  |  |  |
Interest Income, Related Party | 2 | $ 6 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | $ 2,950
Revolving Credit Facility [Member] | Tranche One, Shared with Related Party |  |  |  |  |  |
General business information |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 400 | $ 400 |  |  |  | $ 400
QVC-Japan |  |  |  |  |  |
General business information |  |  |  |  |  |
Investment Owned, Percent of Net Assets | 60.00% | 60.00% |  |  |  |
QVC-Japan | Mitsui [Domain] |  |  |  |  |  |
General business information |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 40.00% | 40.00% |  |  |  |
CNR Home Shopping Co., Ltd. |  |  |  |  |  |
General business information |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 49.00% | 49.00% |  |  |  |
zulily, llc [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Long-term Line of Credit | $ 120 | $ 120 |  |  |  |
QVC to Zulily allocated expenses [Member] | zulily, llc [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 6 | 6 |  |  |
Zulily to QVC allocated expenses [Member] | zulily, llc [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 6 | 8 |  |  |
QVC to Zulily loan [Member] | zulily, llc [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 100 | $ 100 |  |  |  |
Line of Credit Facility, Interest Rate Description |  | variable interest rate equal to the London Interbank Offered Rate ("LIBOR") rate plus an applicable margin rate |  |  |  |
QVC to CBI Allocated Expenses [Member] | Cornerstone Brands Inc [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Related Party Transaction, Expenses from Transactions with Related Party |  | $ 16 | 18 |  |  |
CBI to QVC allocated expenses [Member] | Cornerstone Brands Inc [Member] |  |  |  |  |  |
General business information |  |  |  |  |  |
Related Party Transaction, Expenses from Transactions with Related Party |  | $ 1 | $ 1 |  |  |

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