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Goodwill (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of goodwill
The changes in the carrying amount of goodwill for the nine months ended September 30, 2020 were as follows:
(in millions)QxHQVC-InternationalTotal
Balance as of December 31, 2019$5,112 859 5,971 
Exchange rate fluctuations— 25 25 
Balance as of September 30, 2020$5,112 884 5,996