SEGMENT DATA - Segment Financial Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment data
Assets	[1]	$ 5,785		$ 5,785		$ 6,085
Revenue		917	$ 767	2,544	$ 2,308
Depreciation of property and equipment and amortization of definite-lived intangibles and other assets		63	66	189	204
Amortization of program costs		18	18	55	59
Corporate general and administrative expenses		41	45	149	165
Loss on deconsolidation of subsidiary		0	10	0	10
(Gain) loss on asset dispositions and other, net of impairment		(13)	0	(11)	11
Operating income (loss)		179	37	285	55
Interest expense including amortization of debt discount and deferred financing costs		78	77	230	227
Income (loss) from equity method investments		0	0	92	30
Operating Segments | Local Media
Segment data
Assets		4,546		4,546
Revenue		845	697	2,322	2,101
Depreciation of property and equipment and amortization of definite-lived intangibles and other assets		58	59	174	185
Amortization of program costs		18	18	55	59
Corporate general and administrative expenses		24	31	94	109
Loss on deconsolidation of subsidiary			0		0
(Gain) loss on asset dispositions and other, net of impairment		(11)	(2)	(11)	(5)
Operating income (loss)		182	53	306	116
Interest expense including amortization of debt discount and deferred financing costs		78	77	230	227
Income (loss) from equity method investments		1		1	0
Operating Segments | Tennis
Segment data
Assets		271		271
Revenue		60	59	190	174
Depreciation of property and equipment and amortization of definite-lived intangibles and other assets		5	5	16	15
Amortization of program costs		0	0	0	0
Corporate general and administrative expenses		1	1	2	1
Loss on deconsolidation of subsidiary			0		0
(Gain) loss on asset dispositions and other, net of impairment		0	0	0	0
Operating income (loss)		11	13	32	34
Interest expense including amortization of debt discount and deferred financing costs		0	0	0	0
Income (loss) from equity method investments		(1)		(2)	0
Other & Corporate
Segment data
Assets		971		971
Revenue		19	17	54	48
Depreciation of property and equipment and amortization of definite-lived intangibles and other assets		1	3	2	6
Amortization of program costs		0	0	0	0
Corporate general and administrative expenses		16	13	53	55
Loss on deconsolidation of subsidiary			10		10
(Gain) loss on asset dispositions and other, net of impairment		(2)	2	0	16
Operating income (loss)		(14)	(29)	(53)	(95)
Interest expense including amortization of debt discount and deferred financing costs		0	0	0	0
Income (loss) from equity method investments		0		93	30
Intersegment revenues		4	2	9	5
Eliminations
Segment data
Assets		(3)		(3)
Revenue		(7)	(6)	(22)	(15)
Depreciation of property and equipment and amortization of definite-lived intangibles and other assets		(1)	(1)	(3)	(2)
Amortization of program costs		0	0	0	0
Corporate general and administrative expenses		0	0	0	0
Loss on deconsolidation of subsidiary			0		0
(Gain) loss on asset dispositions and other, net of impairment		0	0	0	0
Operating income (loss)		0	0	0	0
Interest expense including amortization of debt discount and deferred financing costs		0	$ 0	0	0
Income (loss) from equity method investments		$ 0		$ 0	$ 0

[1] Our consolidated total assets as of September 30, 2024 and December 31, 2023 include total assets of variable interest entities ("VIE") of $76 million and $85 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of both September 30, 2024 and December 31, 2023 include total liabilities of VIEs of $17 million for which the creditors of the VIEs have no recourse to us. See Note 8. Variable Interest Entities.