GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS, AND OTHER INTANGIBLE ASSETS - Change in Carrying Amount of Indefinite-lived Intangible Assets (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Carrying amount of our broadcast licenses
Beginning balance	$ 171
Acquisition / Disposition	(21)
Ending balance	150
Consolidated VIEs
Carrying amount of our broadcast licenses
Ending balance	14
Broadcast
Carrying amount of our broadcast licenses
Beginning balance	144
Acquisition / Disposition	(21)
Ending balance	123
Other
Carrying amount of our broadcast licenses
Beginning balance	27
Acquisition / Disposition	0
Ending balance	$ 27