GOODWILL AND INTANGIBLE ASSETS (Summary of Changes in the Carrying Value of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
GOODWILL AND INTANGIBLE ASSETS [Line Items]
Beginning Balance	$ 7,666,485	$ 2,602,639
Acquisitions		5,063,774
Acquisitions	(707)
Foreign exchange	(1,559)	72
Ending Balance	7,664,219	7,666,485
UFC Segment [Member]
GOODWILL AND INTANGIBLE ASSETS [Line Items]
Beginning Balance	2,602,639	2,602,639
Ending Balance	2,602,639	2,602,639
WWE Segment [Member]
GOODWILL AND INTANGIBLE ASSETS [Line Items]
Beginning Balance	5,063,846
Acquisitions		5,063,774
Acquisitions	(707)
Foreign exchange	(1,559)	72
Ending Balance	$ 5,061,580	$ 5,063,846