Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Common Stock [Member] Common Class A [Member]	Common Stock [Member]	Retained Earnings [Member]	Treasury Stock [Member] Common Class A [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2018	8,569,149	89,298,943		(1,840,114)	(7,276,443)
Balance at Dec. 31, 2018	$ 27	$ 907	$ 372	$ (26)	$ (72)	$ (21)	$ 1,187
Net income	0	0	(18)	0	0	0	(18)
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
401(k) Plan (in shares)	0	196,509		0	0
401(k) Plan	$ 0	$ 4	0	$ 0	$ 0	0	4
Restricted stock awards (in shares)	199,810	677,602		(47,653)	(123,167)
Restricted stock awards	$ 0	$ 0	0	$ 0	$ (3)	0	(3)
Stock-based compensation	$ 0	$ 2	0	$ 0	$ 0	0	2
Acquisitions of television businesses and licenses (in shares)	0	11,499,945		0	0
Acquisitions of television businesses and licenses	$ 0	$ 170	0	$ 0	$ 0	0	170
Adoption of ASU 2018-02	$ 0	$ 0	2	$ 0	$ 0	(2)	0
Balance (in shares) at Mar. 31, 2019	8,768,959	101,672,999		(1,887,767)	(7,399,610)
Balance at Mar. 31, 2019	$ 27	$ 1,083	343	$ (26)	$ (75)	(23)	1,329
Balance (in shares) at Dec. 31, 2018	8,569,149	89,298,943		(1,840,114)	(7,276,443)
Balance at Dec. 31, 2018	$ 27	$ 907	372	$ (26)	$ (72)	(21)	1,187
Net income							85
Balance (in shares) at Sep. 30, 2019	8,768,959	101,714,180		(1,887,767)	(8,080,407)
Balance at Sep. 30, 2019	$ 29	$ 1,089	423	$ (26)	$ (86)	(26)	1,403
Balance (in shares) at Mar. 31, 2019	8,768,959	101,672,999		(1,887,767)	(7,399,610)
Balance at Mar. 31, 2019	$ 27	$ 1,083	343	$ (26)	$ (75)	(23)	1,329
Net income	0	0	44	0	0	0	44
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
Restricted stock awards (in shares)	0	41,181		0	(29,204)
Restricted stock awards	$ 0	$ 0	0	$ 0	$ 0	0	0
Stock-based compensation	0	3	0	0	0	0	3
Adoption of ASU 2018-02	$ 0	$ 0	3	$ 0	$ 0	(3)	0
Balance (in shares) at Jun. 30, 2019	8,768,959	101,714,180		(1,887,767)	(7,428,814)
Balance at Jun. 30, 2019	$ 27	$ 1,086	377	$ (26)	$ (75)	(26)	1,363
Net income	0	0	59	0	0	0	59
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
Repurchase of common stock (in shares)	0	0		0	(651,593)
Repurchase of common stock	$ 0	$ 0	0	$ 0	$ (11)	0	(11)
Stock-based compensation	$ 2	$ 3	0	$ 0	$ 0	0	5
Balance (in shares) at Sep. 30, 2019	8,768,959	101,714,180		(1,887,767)	(8,080,407)
Balance at Sep. 30, 2019	$ 29	$ 1,089	423	$ (26)	$ (86)	(26)	1,403
Balance (in shares) at Dec. 31, 2019	8,768,959	101,746,860		(1,887,767)	(9,088,498)
Balance at Dec. 31, 2019	$ 31	$ 1,093	504	$ (26)	$ (107)	(31)	1,464
Net income	0	0	53	0	0	0	53
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
401(k) Plan (in shares)	0	430,899		0	0
401(k) Plan	$ 0	$ 4	0	$ 0	$ 0	0	4
2007 Long Term Incentive Plan - stock options exercised (in shares)	0	274,746		0	(154,935)
2007 Long Term Incentive Plan - stock options exercised	$ 0	$ 0	0	$ 0	$ (2)	0	(2)
Restricted stock awards (in shares)	166,814	248,543		0	(118,550)
Restricted stock awards	$ 0	$ 0	0	$ 0	$ (2)	0	(2)
Forfeiture of restricted stock awards (in shares)	0	(85,630)		0	0
Forfeiture of restricted stock awards	$ 0	$ 0	0	$ 0	$ 0	0	0
Repurchase of common stock (in shares)	0	0		0	(500,923)
Repurchase of common stock	$ 0	$ 0	0	$ 0	$ (6)	0	(6)
Stock-based compensation	$ 0	$ 4	0	$ 0	$ 0	0	4
Balance (in shares) at Mar. 31, 2020	8,935,773	102,615,418		(1,887,767)	(9,862,906)
Balance at Mar. 31, 2020	$ 31	$ 1,101	544	$ (26)	$ (117)	(31)	1,502
Balance (in shares) at Dec. 31, 2019	8,768,959	101,746,860		(1,887,767)	(9,088,498)
Balance at Dec. 31, 2019	$ 31	$ 1,093	504	$ (26)	$ (107)	(31)	1,464
Net income							186
Balance (in shares) at Sep. 30, 2020	8,935,773	103,100,856		(1,887,767)	(13,987,891)
Balance at Sep. 30, 2020	$ 31	$ 1,109	651	$ (26)	$ (172)	(31)	1,562
Balance (in shares) at Mar. 31, 2020	8,935,773	102,615,418		(1,887,767)	(9,862,906)
Balance at Mar. 31, 2020	$ 31	$ 1,101	544	$ (26)	$ (117)	(31)	1,502
Net income	0	0	11	0	0	0	11
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
Restricted stock awards (in shares)	0	78,722		0	(17,296)
Restricted stock awards	$ 0	$ 0	0	$ 0	$ 0	0	0
Repurchase of common stock (in shares)	0	0		0	(3,335,255)
Repurchase of common stock	$ 0	$ 0	0	$ 0	$ (43)	0	(43)
Stock-based compensation	$ 0	$ 3	0	$ 0	$ 0	0	3
Vesting of restricted stock units (in shares)	0	374,500		0	(112,564)
Vesting of restricted stock units	$ 0	$ 0	0	$ 0	$ (2)	0	(2)
Balance (in shares) at Jun. 30, 2020	8,935,773	103,068,640		(1,887,767)	(13,328,021)
Balance at Jun. 30, 2020	$ 31	$ 1,104	542	$ (26)	$ (162)	(31)	1,458
Net income	0	0	122	0	0	0	122
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
Restricted stock awards (in shares)	0	32,216		0	(10,870)
Restricted stock awards	$ 0	$ 0	0	$ 0	$ 0	0	0
Repurchase of common stock (in shares)	0	0		0	(649,000)
Repurchase of common stock	$ 0	$ 0	0	$ 0	$ (10)	0	(10)
Stock-based compensation	$ 0	$ 5	0	$ 0	$ 0	0	5
Balance (in shares) at Sep. 30, 2020	8,935,773	103,100,856		(1,887,767)	(13,987,891)
Balance at Sep. 30, 2020	$ 31	$ 1,109	$ 651	$ (26)	$ (172)	$ (31)	$ 1,562