Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets, Net Impairment (Details)

v3.20.4
Goodwill and Other Intangible Assets, Net Impairment (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Impairment [Line Items]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 0 $ 147 $ 30  
Impairment of Intangible Assets (Excluding Goodwill)   147 30  
HSN, Inc.        
Impairment [Line Items]        
Tradenames (indefinite life)     $ 597 $ 627
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure   $ 450    
Intangible Asset, Impaired, Accumulated Impairment Loss $ 177