Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues (less agency commissions)
Revenue (less agency commissions)	$ 2,381	$ 2,122	$ 1,084
Operating expenses before depreciation, amortization, and gain on disposals of assets, net:
Corporate and administrative	65	104	41
Depreciation	96	80	54
Amortization of intangible assets	105	115	21
Gain on disposal of assets, net	(29)	(54)	(17)
Operating expenses, net	1,629	1,644	695
Operating income	752	478	389
Other income (expense):
Miscellaneous (expense) income, net	(5)	4	6
Interest expense	(191)	(227)	(107)
Loss on early extinguishment of debt	(12)	0	0
Income before income taxes	544	255	288
Income tax expense	134	76	77
Net income	410	179	211
Preferred stock dividends	52	52	0
Net income attributable to common stockholders	$ 358	$ 127	$ 211
Basic per share information:
Net income attributable to common stockholders (in dollars per share)	$ 3.73	$ 1.28	$ 2.39
Weighted average shares outstanding (in shares)	96	99	88
Diluted per share information:
Net income attributable to common stockholders (in dollars per share)	$ 3.69	$ 1.27	$ 2.37
Weighted average shares outstanding (in shares)	97	100	89
Dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0
Broadcasting, Segment [Member]
Revenues (less agency commissions)
Revenue (less agency commissions)	$ 2,320	$ 2,035	$ 1,084
Operating expenses before depreciation, amortization, and gain on disposals of assets, net:
Cost of goods and services sold	1,340	1,325	596
Operating expenses, net	1,495	1,451	653
Operating income	825	584	431
Other income (expense):
Interest expense	0	0	0
Production Companies, Segment [Member]
Revenues (less agency commissions)
Revenue (less agency commissions)	61	87	0
Operating expenses before depreciation, amortization, and gain on disposals of assets, net:
Cost of goods and services sold	52	74	0
Operating expenses, net	66	87	0
Operating income	(5)	0	0
Other income (expense):
Interest expense	$ 0	$ 0	$ 0