SEGMENT DATA - Segment Financial Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment data
Assets	[1]	$ 16,769		$ 16,769		$ 17,370
Total revenues		1,283	$ 771	2,892	$ 1,493
Depreciation of property and equipment		176	66	350	132
Amortization of sports programming rights		5		396	0
Amortization of program contract costs		21	22	44	46
Corporate general and administrative overhead expenses		32	52	81	80
(Gain) loss on asset dispositions and other, net of impairment		(28)	(14)	(60)	(22)
Operating income		492	106	819	200
Interest expense and amortization of debt discount and deferred financing costs		165	54	345	108
Loss from equity method investments		(7)	(12)	(13)	(26)
Intersegment revenues		25		49
Operating segments | Broadcast
Segment data
Assets		4,657		4,657
Total revenues		592	660	1,292	1,278
Depreciation of property and equipment		60	60	118	122
Amortization of sports programming rights		0		0
Amortization of program contract costs		21	22	44	46
Corporate general and administrative overhead expenses		27	33	70	59
(Gain) loss on asset dispositions and other, net of impairment		(29)	(14)	(60)	(22)
Operating income		83	135	234	230
Interest expense and amortization of debt discount and deferred financing costs		1	1	2	3
Loss from equity method investments		0	0	0	0
Operating segments | Local sports
Segment data
Assets		11,040		11,040
Total revenues		616	0	1,428	0
Depreciation of property and equipment		109	0	219	0
Amortization of sports programming rights		5		396
Amortization of program contract costs		0	0	0	0
Corporate general and administrative overhead expenses		2	0	4	0
(Gain) loss on asset dispositions and other, net of impairment		0	0	0	0
Operating income		399	0	565	0
Interest expense and amortization of debt discount and deferred financing costs		117	0	240	0
Loss from equity method investments		2	0	8	0
Operating segments | Other & Corporate
Segment data
Assets		1,152		1,152
Total revenues		104	117	233	225
Depreciation of property and equipment		7	6	13	10
Amortization of sports programming rights		0		0
Amortization of program contract costs		0	0	0	0
Corporate general and administrative overhead expenses		3	19	7	21
(Gain) loss on asset dispositions and other, net of impairment		1	0	0	0
Operating income		12	(26)	26	(24)
Interest expense and amortization of debt discount and deferred financing costs		50	56	108	112
Loss from equity method investments		(9)	(12)	(21)	(26)
Eliminations
Segment data
Assets		(80)		(80)
Total revenues		(29)	(6)	(61)	(10)
Depreciation of property and equipment		0	0	0	0
Amortization of sports programming rights		0		0
Amortization of program contract costs		0	0	0	0
Corporate general and administrative overhead expenses		0	0	0	0
(Gain) loss on asset dispositions and other, net of impairment		0	0	0	0
Operating income		(2)	(3)	(6)	(6)
Interest expense and amortization of debt discount and deferred financing costs		(3)	(3)	(5)	(7)
Loss from equity method investments		$ 0	$ 0	$ 0	$ 0

[1] Our consolidated total assets as of June 30, 2020 and December 31, 2019 include total assets of variable interest entities (VIEs) of $268 million and $228 million, respectively, which can only be used to settle the obligations of the VIEs. Our consolidated total liabilities as of June 30, 2020 and December 31, 2019 include total liabilities of VIEs of $32 million and $27 million, respectively, for which the creditors of the VIEs have no recourse to us. See Note 8. Variable Interest Entities.