Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues (less agency commissions)
Revenue (less agency commissions)	$ 604	$ 517	$ 1,589	$ 1,543
Operating expenses before depreciation, amortization and gain on disposal of fixed assets, net:
Corporate and administrative	15	14	47	83
Depreciation	27	20	69	60
Amortization of intangible assets	26	29	78	86
Gain on disposal of fixed assets, net	(10)	(14)	(23)	(27)
Operating expenses	392	378	1,188	1,245
Operating income	212	139	401	298
Other income (expense):
Miscellaneous (expense) income, net	(2)	0	(5)	4
Interest expense	(45)	(57)	(143)	(173)
Income before income taxes	165	82	253	129
Income tax expense	43	23	67	44
Net income	122	59	186	85
Preferred stock dividends	13	13	39	39
Net income attributable to common stockholders	$ 109	$ 46	$ 147	$ 46
Basic per share information:
Net income attributable to common stockholders (in dollars per share)	$ 1.15	$ 0.46	$ 1.52	$ 0.46
Weighted-average shares outstanding (in shares)	95	100	97	100
Diluted per share information:
Net income attributable to common stockholders (in dollars per share)	$ 1.14	$ 0.46	$ 1.52	$ 0.46
Weighted-average shares outstanding (in shares)	96	101	97	100
Dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Broadcasting, Segment [Member]
Revenues (less agency commissions)
Revenue (less agency commissions)	$ 593	$ 501	$ 1,557	$ 1,481
Operating expenses before depreciation, amortization and gain on disposal of fixed assets, net:
Cost of goods and services sold	326	316	985	986
Operating expenses			1,100	1,094
Operating income			457	387
Other income (expense):
Interest expense			0	0
Production Companies, Segment [Member]
Revenues (less agency commissions)
Revenue (less agency commissions)	11	16	32	62
Operating expenses before depreciation, amortization and gain on disposal of fixed assets, net:
Cost of goods and services sold	$ 8	$ 13	32	57
Operating expenses			39	66
Operating income			(7)	(4)
Other income (expense):
Interest expense			$ 0	$ 0