GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS, AND OTHER INTANGIBLE ASSETS - Narrative (Details)	3 Months Ended	12 Months Ended
	Sep. 30, 2020 network	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Amortized intangible assets:
Goodwill impairment		$ 0	$ 0	$ 2,615,000,000
Accumulated goodwill impairment		3,029,000,000	3,029,000,000
Impairment of indefinite-lived intangible assets (excluding goodwill)		0	0
Amortization of definite-lived intangible and other assets		225,000,000	554,000,000	703,000,000
Impairment charge		$ 0	$ 0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]		Impairment of goodwill and definite-lived intangible assets	Impairment of goodwill and definite-lived intangible assets
Number of RSNs with carrying values in excess of future undiscounted cash flows | network	10
Customer relationships
Amortized intangible assets:
Amortization period, weighted average useful life		14 years
Impairment charge				1,218,000,000
Network affiliation
Amortized intangible assets:
Amortization period, weighted average useful life		15 years
Favorable sports contracts
Amortized intangible assets:
Amortization of definite-lived intangible and other assets		$ 4,000,000	$ 77,000,000	$ 131,000,000