REVENUE (Summary of Company's Revenue Disaggregated by Primary Revenue Sources) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 851,161	$ 305,185	$ 1,480,872	$ 611,915
Revenue, Remaining Performance Obligation, Amount	7,618,535		7,618,535
UFC Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	394,358	305,185	707,348	611,915
UFC Segment [Member] | Media Rights and Content [Member]
Disaggregation of Revenue [Line Items]
Revenue	250,585	211,709	465,047	435,771
UFC Segment [Member] | Live Events [Member]
Disaggregation of Revenue [Line Items]
Revenue	69,152	32,405	104,429	63,795
UFC Segment [Member] | Sponsorship [Member]
Disaggregation of Revenue [Line Items]
Revenue	61,633	46,152	110,236	84,209
UFC Segment [Member] | Consumer Products Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	12,988	$ 14,919	27,636	$ 28,140
WWE Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	456,803		773,524
WWE Segment [Member] | Media Rights and Content [Member]
Disaggregation of Revenue [Line Items]
Revenue	260,676		481,783
WWE Segment [Member] | Live Events [Member]
Disaggregation of Revenue [Line Items]
Revenue	144,102		194,294
WWE Segment [Member] | Sponsorship [Member]
Disaggregation of Revenue [Line Items]
Revenue	24,750		38,565
WWE Segment [Member] | Consumer Products Licensing [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 27,275		$ 58,882