25 Largest US Cable & Other Pay TV Service Corps and TV Broadcasting Stations Corps Posted 4Q 2017 Total Net Income of $37.019 Bil, Up 256% From Their 4Q 2016 Total Net Income of $10.393 Bil ........................................................................................ But Their 4Q 2017 Total US Federal Income Tax Debt Forgiveness Granted Them Courtesy of the Trump Tax Cuts Act of $35.376 Bil Comprised a Huge 96% of Their Total 4Q 2017 Reported Net Income of $37.019 Bil ........................................................................................ In Other Words, These 25 Companies Made Only 4% of Their Total Reported 4Q 2017 Earnings On Their Own

From SEC filings, the chart below shows financial information related to the 24 publicly-held US Cable & Other Pay TV Service and TV Broadcasting Corps with stock market caps of at least $1 Bil each and also the 1 non-publicly-held Corp with a Book Value of Total Stockholders' Equity above $5 Bil.

			Corp
			Quarter
			End
			When					TTCA	TTCA
			Trump	US GAAP	US GAAP			US	Decline
US Cable & Other Pay TV Service Corps			Tax	Net	Net			Federal	in Value of
And TV Broadcasting Stations Corps			Cuts	Income	Income			Income	Deferred
SEC SIC 4841 and 4833			Act	(Loss)	(Loss)			Tax	Income
Stock Market Cap At Least $1 Bil		State	TTCA	Dec 17	Dec 16	Better		Debt	Tax
or Book Value of Stk Equity Above $5 Bil	City Hqs	HQs	Signed	Quarter	Quarter	(Worse)		Forgiveness	Assets
				mils $	mils $	mils $		mils $	mils $
Comcast	Philadelphia	PA	Dec 17	15,035	2,417	12,618		12,782
Charter Communications	Stamford	CT	Dec 17	9,617	569	9,048		9,293
Walt Disney	Burbank	CA	Dec 17	4,473	2,488	1,985		1,900
Liberty Broadband	Englewood	CO	Dec 17	2,061	45	2,016		2,816
Twenty-First Century Fox	New York	NY	Dec 17	1,921	937	984		1,300
Liberty Media	Englewood	CO	Dec 17	1,429	186	1,243		929
DISH Network	Englewood	CO	Dec 17	1,401	368	1,033		1,200
Time Warner	New York	NY	Dec 17	1,388	317	1,071		839
Viacom	New York	NY	Dec 17	551	408	143		149
Sinclair Broadcast Group	Hunt Valley	MD	Dec 17	445	123	322		272
Nexstar Media Group	Irving	TX	Dec 17	380	20	360		322
Tribune Media	Chicago	IL	Dec 17	333	71	262		256
Tegna Inc	McLean	VA	Dec 17	303	98	205		221
Gray Television	Atlanta	GA	Dec 17	166	36	130		146
MSG Networks	New York	NY	Dec 17	156	43	113		106
AMC Networks	New York	NY	Dec 17	149	19	130		68
Cable One	Phoenix	AZ	Dec 17	143	24	119		113
Scripps Networks Interactive	Knoxville	TN	Dec 17	116	92	24			(80)
CBS Corp	New York	NY	Dec 17	40	271	(231)		278
E.W. Scripps	Cincinnati	OH	Dec 17	11	36	(25)		4
Roku	Saratoga	CA	Dec 17	7	3	4		-
Altice USA	Long Island City	NY	Dec 17	(169)	(394)	225		2,338
Liberty Latin America	Denver	CO	Dec 17	(401)	(107)	(294)
Discovery Inc	Silver Spring	MD	Dec 17	(1,137)	309	(1,446)		44
Liberty Global plc *	Denver	CO	Dec 17	(1,399)	2,014	(3,413)
						-
Total all 25				37,019	10,393	26,626		35,376	(80)

* I couldn't find a disclosure of its 4Q 2017 Net Income (Loss) From Continuing Operations. Thus Liberty Global's above Net Income (Loss) Amounts also include Net Income (Loss) From its Discontinued Operations.