SEGMENT INFORMATION (Schedule of Reconciliation of Segment Profitability) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ (420,963)	$ (173,558)	$ (703,123)	$ (346,166)
Equity (earnings) losses of affiliates	(273)	717	(323)	980
Depreciation and amortization			(210,980)	(30,202)
Restructuring, severance and impairment	(5,500)		(17,100)
Other adjustments	775	(535)	504	(864)
Income (loss) before income taxes and equity (earnings) losses of affiliates	189,965	85,440	(85,117)	177,283
Operating Segments [Member] \| UFC Segment [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	231,897	188,200	426,980	374,457
Operating Segments [Member] \| WWE Segment [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	251,312		391,525
Reconciling Items [Member]
Segment Reporting Information [Line Items]
Equity (earnings) losses of affiliates	(273)	717	(323)	980
Interest expense, net	(65,758)	(57,895)	(130,224)	(111,803)
Depreciation and amortization	(103,819)	(15,050)	(210,980)	(30,202)
Equity-based compensation expense	(24,367)	(5,789)	(54,592)	(11,584)
Merger and acquisition costs	(2,405)	(9,520)	(2,925)	(14,935)
Certain legal costs	(5,992)	(46)	(351,191)	(488)
Restructuring, severance and impairment	(28,874)		(38,109)
Other adjustments	490	(535)	104	(851)
Reconciling Items [Member] \| UFC Segment [Member]
Segment Reporting Information [Line Items]
Certain legal costs			335,000
Corporate [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ (62,246)	$ (14,642)	$ (115,382)	$ (28,291)

Adjusted earnings before interest, taxes, depreciation, and amortization.

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

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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