Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue (less agency commissions)	$ 909	$ 601	$ 2,604	$ 1,692
Operating expenses before depreciation, amortization and loss (gain) on disposal of assets, net:
Depreciation			96	76
Amortization of intangible assets			156	81
(Gain) loss on disposal of assets, net	(1)	51	(6)	46
Operating expenses	664	534	1,977	1,416
Operating income	245	67	627	276
Other expense:
Miscellaneous expense, net	(1)	(1)	(3)	(7)
Interest expense	(94)	(48)	(254)	(143)
Income before income taxes	150	18	370	126
Income tax expense	42	35	101	65
Net income (loss)	108	(17)	269	61
Preferred stock dividends	13	13	39	39
Net income (loss) attributable to common stockholders	$ 95	$ (30)	$ 230	$ 22
Basic per share information:
Net income (loss) attributable to common stockholders (in dollars per share)	$ 1.04	$ (0.32)	$ 2.47	$ 0.23
Weighted-average shares outstanding (in shares)	91	95	93	94
Diluted per share information:
Net income (loss) attributable to common stockholders (in dollars per share)	$ 1.03	$ (0.32)	$ 2.47	$ 0.23
Weighted-average shares outstanding (in shares)	92	95	93	95
Dividends declared per common share (in dollars per share)	$ 0.08	$ 0.08	$ 0.24	$ 0.24
Broadcasting, Segment [Member]
Revenue (less agency commissions)	$ 889	$ 581	$ 2,548	$ 1,648
Operating expenses before depreciation, amortization and loss (gain) on disposal of assets, net:
Cost of goods and services sold	537	384	1,595	1,099
Operating expenses			1,829	1,291
Operating income			719	357
Other expense:
Interest expense			0	0
Production Companies, Segment [Member]
Revenue (less agency commissions)	20	20	56	44
Operating expenses before depreciation, amortization and loss (gain) on disposal of assets, net:
Cost of goods and services sold	16	13	56	39
Operating expenses			66	48
Operating income			(10)	(4)
Other expense:
Interest expense			0	0
Other Segments [Member]
Revenue (less agency commissions)			0	0
Operating expenses before depreciation, amortization and loss (gain) on disposal of assets, net:
Corporate and administrative	27	32	80	75
Depreciation	33	26	96	76
Amortization of intangible assets	$ 52	$ 28	156	81
Operating expenses			82	77
Operating income			(82)	(77)
Other expense:
Interest expense			$ (254)	$ (143)