GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS, AND OTHER INTANGIBLE ASSETS - Change in Carrying Amount of Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in the carrying amount of goodwill related to continuing operations
Goodwill at beginning of period	$ 2,092,000,000	$ 4,716,000,000
Assets held for sale		(9,000,000)
Impairment	0	(2,615,000,000)	$ 0
Disposition	(4,000,000)
Goodwill at end of period	2,088,000,000	2,092,000,000	4,716,000,000
Broadcast
Change in the carrying amount of goodwill related to continuing operations
Goodwill at beginning of period	2,017,000,000	2,026,000,000
Assets held for sale		(9,000,000)
Impairment		0
Disposition	(1,000,000)
Goodwill at end of period	2,016,000,000	2,017,000,000	2,026,000,000
Local sports
Change in the carrying amount of goodwill related to continuing operations
Goodwill at beginning of period	0	2,615,000,000
Assets held for sale		0
Impairment		(2,615,000,000)
Disposition	0
Goodwill at end of period	0	0	2,615,000,000
Other
Change in the carrying amount of goodwill related to continuing operations
Goodwill at beginning of period	75,000,000	75,000,000
Assets held for sale		0
Impairment		0
Disposition	(3,000,000)
Goodwill at end of period	$ 72,000,000	$ 75,000,000	$ 75,000,000