IMPAIRMENT, RESTRUCTURING AND TRANSACTION-RELATED ITEMS - Schedule of Rollforward of Restructuring Liability (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 349
Charges	173
Payments and other	(192)
Restructuring reserve, ending balance	330
Stock-based compensation	87	$ 109
Restructuring And Transaction-Related Items
Restructuring Reserve [Roll Forward]
Stock-based compensation	4
Operating Segments \| TV Media
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	156
Charges	139
Payments and other	(75)
Restructuring reserve, ending balance	220
Operating Segments \| Direct-to-Consumer
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	36
Charges	5
Payments and other	(26)
Restructuring reserve, ending balance	15
Operating Segments \| Filmed Entertainment
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	46
Charges	15
Payments and other	(26)
Restructuring reserve, ending balance	35
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	111
Charges	14
Payments and other	(65)
Restructuring reserve, ending balance	$ 60

Restructuring Charges, Excluding Stock-Based Compensation Expense

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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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- Definition

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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- Definition

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

+ References

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- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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