GOODWILL AND INTANGIBLE ASSETS (Summary of Changes in the Carrying Value of Goodwill) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($)
GOODWILL AND INTANGIBLE ASSETS [Line Items]
Balance — December 31, 2023	$ 7,666,485
Foreign exchange and other	(1,205)
Balance — June 30, 2024	7,665,280
UFC Segment [Member]
GOODWILL AND INTANGIBLE ASSETS [Line Items]
Balance — December 31, 2023	2,602,639
Balance — June 30, 2024	2,602,639
WWE Segment [Member]
GOODWILL AND INTANGIBLE ASSETS [Line Items]
Balance — December 31, 2023	5,063,846
Foreign exchange and other	(1,205)
Balance — June 30, 2024	$ 5,062,641