RESTRUCTURING, TRANSACTION-RELATED ITEMS, AND OTHER CORPORATE MATTERS - Schedule of Restructuring Reserve by Type of Cost (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
Dec. 31, 2025	Aug. 06, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 301	$ 349	$ 192
Charges	581	176	488
Payments and other	(177)	(224)	(331)
Restructuring reserve, ending balance	705	301	349	$ 192
Stock-based compensation	160	113	245	177
Restructuring charges
Restructuring Reserve [Roll Forward]
Stock-based compensation	69	14	35
Operating Segments \| Studios
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	48
Charges	123
Payments and other	(38)
Restructuring reserve, ending balance	133
Operating Segments \| TV Media
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	185	156	162
Charges	301	141	181
Payments and other	(102)	(98)	(187)
Restructuring reserve, ending balance	384	199	156	162
Operating Segments \| Direct-to-Consumer
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	15	36	6
Charges	42	5	66
Payments and other	(4)	(27)	(36)
Restructuring reserve, ending balance	53	14	36	6
Operating Segments \| Filmed Entertainment
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance		46	14
Charges		17	70
Payments and other		(28)	(38)
Restructuring reserve, ending balance		35	46	14
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	53	111	10
Charges	115	13	171
Payments and other	(33)	(71)	(70)
Restructuring reserve, ending balance	$ 135	$ 53	$ 111	$ 10

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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