RELATED PERSON TRANSACTIONS - Programming Rights (Details) - Sports Teams Affiliates - RSN $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($) professional_team	Dec. 31, 2019 USD ($)
Related person transactions
Number of sports rights agreements assumed \| professional_team	6
Program rights expense \| $	$ 168	$ 73

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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