Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Operating activities
Net income	$ 59	$ (18)	$ 61	$ 20	$ 85	$ 123
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	20		13		60	41
Amortization of intangible assets	29		5		86	16
Amortization of deferred loan costs					9	3
Amortization of restricted stock awards					10	5
Amortization of program broadcast rights					30	16
Payments on program broadcast obligations					(33)	(16)
Common stock contributed to 401(k)					4	0
Deferred income taxes					34	44
Gain on disposals of assets, net	(14)		(3)		(27)	(6)
Other					(6)	(2)
Changes in operating assets and liabilities:
Accounts receivable					29	(9)
Prepaid income taxes					0	7
Other current assets					(7)	1
Accounts payable					2	(3)
Employee compensation, benefits and pension cost					(6)	(3)
Accrued network fees and other expenses					(42)	(1)
Accrued interest					30	(4)
Income taxes payable					(9)	(34)
Deferred revenue					6	8
Net cash provided by operating activities					255	186
Investing activities
Acquisitions of television businesses and licenses, net of cash acquired					(2,823)	0
Proceeds from sale of television station					231	0
Purchases of property and equipment					(73)	(35)
Proceeds from FCC Repack (Note 1)	15		4		32	7
Proceeds from asset sales					3	0
Acquisition prepayments					(12)	(5)
Other					(4)	0
Net cash used in investing activities					(2,646)	(33)
Financing activities
Proceeds from borrowings on long-term debt					1,400	0
Repayments of borrowings on long-term debt					(11)	(40)
Payments for the repurchase of common stock					(11)	(20)
Payment of preferred stock dividends					(26)	0
Deferred and other loan costs					(50)	0
Payments for taxes related to net share settlement of equity awards					(4)	(4)
Net cash provided by (used in) financing activities					1,298	(64)
Net (decrease) increase in cash					(1,093)	89
Cash and restricted cash at beginning of period		$ 1,419		$ 462	1,419	462	$ 462
Cash at end of period	$ 326		$ 551		$ 326	$ 551	$ 1,419