GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2024 USD ($) market	Sep. 30, 2024 USD ($) market	Jun. 30, 2024 USD ($) reporting_unit market reportingUnit	Dec. 31, 2024 USD ($) reportingUnit market	Dec. 31, 2023 USD ($) market
Impairment Testing Assumptions [Line Items]
Number of reporting units | reportingUnit			5	5
Goodwill impairment charge				$ 5,981
Number of television markets with FCC license book values | market				14
FCC licenses
Impairment Testing Assumptions [Line Items]
Number of quantitative assessments performed | market	5		8		8
Number of markets where carrying value of intangible asset exceeds fair value | market		14
Indefinite-lived intangible assets	$ 2,165	$ 2,290		$ 2,165	$ 2,306
FCC licenses | Nine Markets
Impairment Testing Assumptions [Line Items]
Number of markets with fair values in excess of threshold of carrying values | market		9
Fair values in excess of threshold of carrying values (in percent)		10.00%
International broadcast licenses
Impairment Testing Assumptions [Line Items]
Indefinite-lived intangible assets	13			13	$ 25
Three Reporting Units
Impairment Testing Assumptions [Line Items]
Number of reporting units with fair values exceeding carrying values | reporting_unit			3
Three Reporting Units | Maximum
Impairment Testing Assumptions [Line Items]
Percentage of fair value in excess of carrying amount (less than) (in percent)			10.00%
Discount Rate | FCC licenses
Impairment Testing Assumptions [Line Items]
Assumption rates for intangible asset impairment testing (in percent)			0.08
Long-Term Growth Rate | FCC licenses
Impairment Testing Assumptions [Line Items]
Assumption rates for intangible asset impairment testing (in percent)			0
TV Media | FCC licenses | Two Markets
Impairment Testing Assumptions [Line Items]
Number of markets where carrying value of intangible asset exceeds fair value | market			2
Impairment charges			$ 15
TV Media | FCC licenses | Five Markets
Impairment Testing Assumptions [Line Items]
Number of markets where carrying value of intangible asset exceeds fair value | market		5			5
Impairment charges	22	$ 104			$ 83
Indefinite-lived intangible assets	1,010			1,010
TV Media | International broadcast licenses
Impairment Testing Assumptions [Line Items]
Impairment charges	13
Indefinite-lived intangible assets	$ 8			$ 8
TV Media | Discount Rate | FCC licenses | Five Markets
Impairment Testing Assumptions [Line Items]
Assumption rates for intangible asset impairment testing (in percent)	0.075			0.075
TV Media | Long-Term Growth Rate | FCC licenses | Five Markets
Impairment Testing Assumptions [Line Items]
Assumption rates for intangible asset impairment testing (in percent)	(0.02)	(0.02)		(0.02)
Cable Networks | TV Media
Impairment Testing Assumptions [Line Items]
Goodwill impairment charge			$ 5,980
Cable Networks | TV Media | Discount Rate
Impairment Testing Assumptions [Line Items]
Assumption rates for goodwill impairment testing (in percent)			0.11
Cable Networks | TV Media | Long-Term Growth Rate
Impairment Testing Assumptions [Line Items]
Assumption rates for goodwill impairment testing (in percent)			(0.03)