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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details)		3 Months Ended	12 Months Ended
	Oct. 01, 2024 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Goodwill [Line Items]
Amortization of intangible assets			$ 5,935,000,000	$ 6,854,000,000	$ 6,237,000,000
Goodwill, impairment loss	$ 0		9,147,000,000	0	$ 0
Networks Reporting Unit
Goodwill [Line Items]
Goodwill, impairment loss		$ 9,100,000,000
Measurement Input, Long-Term Revenue Growth Rate \| Networks Reporting Unit
Goodwill [Line Items]
Goodwill, measurement input (as a percent)		(0.03)
Measurement Input, Discount Rate \| Networks Reporting Unit
Goodwill [Line Items]
Goodwill, measurement input (as a percent)		0.105
Trade names \| Intangible Assets, Amortization Period
Goodwill [Line Items]
Amortization of intangible assets			184,000,000
Trademarks, Tradenames, And Franchise Rights
Goodwill [Line Items]
Amortization of intangible assets				368,000,000
Networks
Goodwill [Line Items]
Goodwill, accumulated impairments			10,800,000,000	1,600,000,000
Goodwill, impairment loss			9,147,000,000
Goodwill, headroom threshold (as a percent)	12.00%
Studios
Goodwill [Line Items]
Goodwill, accumulated impairments			0	0
Goodwill, impairment loss			0
Goodwill, headroom threshold (as a percent)	16.00%
DTC
Goodwill [Line Items]
Goodwill, accumulated impairments			0	$ 0
Goodwill, impairment loss			$ 0
Goodwill, headroom threshold (as a percent)	20.00%