SEGMENT DATA - Segment Financial Information (Details) - USD ($) $ in Millions			12 Months Ended
		Mar. 01, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment data
Goodwill			$ 2,082	$ 2,088	$ 2,088
Assets	[1]		6,085	6,704
Revenue			3,134	3,928	6,134
Depreciation of property and equipment and amortization of definite-lived intangible assets and other assets			271	321	591
Amortization of sports programming rights			0	326	2,350
Amortization of program contract costs			80	90	93
Corporate general and administrative expenses			694	160	170
Loss (gain) on deconsolidation of subsidiary		$ (3,357)	10	(3,357)	0
Gain on asset dispositions and other, net of impairment			3	(64)	(71)
Operating income (loss)			(331)	3,980	95
Interest expense including amortization of debt discount and deferred financing costs			305	296	618
Income from equity method investments			29	56	45
Capital expenditures			92	105	80
Local media
Segment data
Goodwill			2,016	2,016	2,016
Gain recognized on sale			8	4	24
Local media | Related Party
Segment data
Revenue			52	39
Tennis
Segment data
Goodwill			61	61	61
Local sports | C-Band Spectrum
Segment data
Gain on disposition of assets					43
Operating segments | Local media
Segment data
Goodwill			2,016	2,016
Assets			4,747	5,554
Revenue			2,866	3,193	2,887
Depreciation of property and equipment and amortization of definite-lived intangible assets and other assets			243	243	248
Amortization of sports programming rights				0	0
Amortization of program contract costs			80	90	93
Corporate general and administrative expenses			134	117	148
Loss (gain) on deconsolidation of subsidiary			0	0
Gain on asset dispositions and other, net of impairment			(14)	(17)	(23)
Operating income (loss)			227	591	388
Interest expense including amortization of debt discount and deferred financing costs			305	226	183
Income from equity method investments			0	0	0
Capital expenditures			86	96	52
Intersegment revenues				26	111
Operating segments | Tennis
Segment data
Goodwill			61	61
Assets			293	324
Revenue			228	217	224
Depreciation of property and equipment and amortization of definite-lived intangible assets and other assets			21	21	21
Amortization of sports programming rights				0	0
Amortization of program contract costs			0	0	0
Corporate general and administrative expenses			1	0	0
Loss (gain) on deconsolidation of subsidiary			0	0
Gain on asset dispositions and other, net of impairment			0	0	0
Operating income (loss)			50	52	71
Interest expense including amortization of debt discount and deferred financing costs			0	0	0
Income from equity method investments			(2)	0	0
Capital expenditures			1	1	2
Operating segments | Local sports
Segment data
Revenue				482	3,056
Depreciation of property and equipment and amortization of definite-lived intangible assets and other assets				54	316
Amortization of sports programming rights				326	2,350
Amortization of program contract costs				0	0
Corporate general and administrative expenses				1	10
Loss (gain) on deconsolidation of subsidiary				0
Gain on asset dispositions and other, net of impairment				0	(43)
Operating income (loss)				(4)	(317)
Interest expense including amortization of debt discount and deferred financing costs				72	436
Income from equity method investments				10	49
Capital expenditures				2	16
Operating segments | Other & Corporate
Segment data
Goodwill			5	11
Assets			1,048	826
Revenue			62	95	128
Depreciation of property and equipment and amortization of definite-lived intangible assets and other assets			10	7	9
Amortization of sports programming rights				0	0
Amortization of program contract costs			0	0	0
Corporate general and administrative expenses			559	42	12
Loss (gain) on deconsolidation of subsidiary			10	(3,357)
Gain on asset dispositions and other, net of impairment			17	(47)	(5)
Operating income (loss)			(608)	3,341	(47)
Interest expense including amortization of debt discount and deferred financing costs			0	6	13
Income from equity method investments			31	46	(4)
Capital expenditures			5	6	10
Eliminations
Segment data
Goodwill			0	0
Assets			(3)	0
Revenue			(22)	(59)	(161)
Depreciation of property and equipment and amortization of definite-lived intangible assets and other assets			(3)	(4)	(3)
Amortization of sports programming rights				0	0
Amortization of program contract costs			0	0	0
Corporate general and administrative expenses			0	0	0
Loss (gain) on deconsolidation of subsidiary			0	0
Gain on asset dispositions and other, net of impairment			0	0	0
Operating income (loss)			0	0	0
Interest expense including amortization of debt discount and deferred financing costs			0	(8)	(14)
Income from equity method investments			0	0	0
Capital expenditures			0	0	0
Corporate And Reconciling Items
Segment data
Intersegment revenues			$ 8	$ 12	$ 35

[1] Our consolidated total assets as of December 31, 2023 and 2022 include total assets of Variable Interest Entities ("VIEs") of $85 million and $115 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of December 31, 2023 and 2022 include total liabilities of the VIEs of $17 million and $18 million, respectively, for which the creditors of the VIEs have no recourse to us. See Note 14. Variable Interest Entities.