Annual report pursuant to Section 13 and 15(d)

Television Distribution Rights, Net (Future Amortization Expense) (Details)

v3.20.4
Television Distribution Rights, Net (Future Amortization Expense) (Details) - Television distribution rights - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]      
Commission Expense $ 349 $ 350 $ 363
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2021 45    
2022 18    
2023 0    
2024 0    
2025 $ 0