IMPAIRMENT, RESTRUCTURING AND TRANSACTION-RELATED COSTS - Schedule of Rollforward of Restructuring Liability (Details) $ in Millions	9 Months Ended
Sep. 30, 2024 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 192
Charges	479
Payments	(208)
Restructuring reserve, ending balance	463
Restructuring And Transaction-Related Costs
Restructuring Reserve [Roll Forward]
Stock-based compensation expense	34
Lease impairments	31
Operating Segments \| TV Media
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	162
Charges	181
Payments	(136)
Restructuring reserve, ending balance	207
Operating Segments \| Direct-to-Consumer
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	6
Charges	66
Payments	(16)
Restructuring reserve, ending balance	56
Operating Segments \| Filmed Entertainment
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	14
Charges	70
Payments	(22)
Restructuring reserve, ending balance	62
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	10
Charges	162
Payments	(34)
Restructuring reserve, ending balance	$ 138

Restructuring Charges, Excluding Stock-Based Compensation Expense And Lease Impairments

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Amount of loss from impairment of right-of-use asset from operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479365/842-20-25-6

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-17

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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