Condensed Consolidated Statement 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 (loss)	0	0	(18)	0	0	0	(18)
Preferred stock dividends	$ 0	$ 0	(13)	$ 0	$ 0	0	(13)
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
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)
Share-based compensation	0	2	0	0	0	0	2
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, 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 (loss)	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
Restricted stock awards	0	0	0	0	(2)	0	(2)
Share-based compensation	$ 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)
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)
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