Note 3 - Acquisitions and Divestitures - Acquisitions (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 01, 2019	Jan. 02, 2019
Goodwill	$ 2,649	$ 1,460	$ 1,446
Meredith Acquisition [Member]
Cash	1
Accounts receivable, net	147
Other current assets	18
Property and equipment	235
Operating lease right of use asset	15
Goodwill	1,012
Broadcast licenses	1,516
Other intangible assets	455
Other current liabilities	(104)
Deferred income taxes	(477)
Operating lease liabilities	(15)
Total	2,803
Other current liabilities	104
Quincy Acquisition [Member]
Cash	4
Accounts receivable, net	23
Other current assets	5
Property and equipment	74
Operating lease right of use asset	1
Goodwill	190
Broadcast licenses	245
Other intangible assets	85
Other current liabilities	(7)
Deferred income taxes	(66)
Operating lease liabilities	(1)
Total	553
Other current liabilities	7
Third Rail Acquisition [Member]
Cash	0
Accounts receivable, net	0
Other current assets	0
Property and equipment	24
Operating lease right of use asset	0
Goodwill	4
Broadcast licenses	0
Other intangible assets	0
Other current liabilities	(1)
Deferred income taxes	0
Operating lease liabilities	0
Total	27
Other current liabilities	1
The2021 Acquisitions [Member]
Cash	5
Accounts receivable, net	170
Other current assets	23
Property and equipment	333
Operating lease right of use asset	16
Goodwill	1,206
Broadcast licenses	1,761
Other intangible assets	540
Other current liabilities	(112)
Deferred income taxes	(543)
Operating lease liabilities	(16)
Total	3,383
Other current liabilities	112
Lubbock Transactions, Acquisition [Member]
Property and equipment		6
Operating lease right of use asset		1
Goodwill		6
Other intangible assets		7
Other current liabilities		(1)
Total		24
Accounts receivable and other current assets		0
Broadcast licenses		5
Other current liabilities		1
Alaska Transactions [Member]
Property and equipment		5
Operating lease right of use asset		0
Goodwill		2
Other intangible assets		9
Other current liabilities		0
Total		19
Accounts receivable and other current assets		1
Broadcast licenses		2
Other current liabilities		(0)
Columbus Acquisition [Member]
Property and equipment		2
Operating lease right of use asset		0
Goodwill		1
Other intangible assets		19
Other current liabilities		0
Total		22
Accounts receivable and other current assets		0
Broadcast licenses		0
Other current liabilities		(0)
Sioux Falls Acquisition [Member]
Cash			0
Accounts receivable, net			1
Other current assets			0
Property and equipment		0	10
Operating lease right of use asset		0	0
Goodwill		11	2	$ 2
Broadcast licenses			14
Other intangible assets		11	7
Other current liabilities		0	(1)
Deferred income taxes			0
Operating lease liabilities			0
Total		22	33
Accounts receivable and other current assets		0
Broadcast licenses		0
Other current liabilities		(0)	1
Program broadcast rights			0
Other non-current assets			0
Employee compensation and benefits			0
Program broadcast obligations			0
Federal and state income taxes payable			0
Other long-term liabilities			0
The 2020 Acquisitions [Member]
Property and equipment		13
Operating lease right of use asset		1
Goodwill		20
Other intangible assets		46
Other current liabilities		(1)
Total		87
Accounts receivable and other current assets		1
Broadcast licenses		7
Other current liabilities		$ 1
Raycom [Member]
Cash			115
Accounts receivable, net			243
Other current assets			10
Property and equipment			311
Operating lease right of use asset			52
Goodwill			829		$ 829
Broadcast licenses			2,004
Other intangible assets			504
Other current liabilities			(60)
Deferred income taxes			(472)
Operating lease liabilities			(52)
Total	$ 3,443		3,443
Other current liabilities			60
Program broadcast rights			12
Other non-current assets			20
Employee compensation and benefits			(29)
Program broadcast obligations			(16)
Federal and state income taxes payable			(3)
Other long-term liabilities			(25)
United Acquisition [Member]
Cash			0
Accounts receivable, net			3
Other current assets			0
Property and equipment			10
Operating lease right of use asset			0
Goodwill			3
Broadcast licenses			24
Other intangible assets			8
Other current liabilities			0
Deferred income taxes			0
Operating lease liabilities			0
Total			48
Other current liabilities			(0)
Program broadcast rights			0
Other non-current assets			0
Employee compensation and benefits			0
Program broadcast obligations			0
Federal and state income taxes payable			0
Other long-term liabilities			0
Charlottesville Acquisition [Member]
Cash			0
Accounts receivable, net			1
Other current assets			0
Property and equipment			7
Operating lease right of use asset			0
Goodwill			0
Broadcast licenses			2
Other intangible assets			3
Other current liabilities			0
Deferred income taxes			0
Operating lease liabilities			0
Total			13
Other current liabilities			(0)
Program broadcast rights			0
Other non-current assets			0
Employee compensation and benefits			0
Program broadcast obligations			0
Federal and state income taxes payable			0
Other long-term liabilities			0
Acquisitions 2019 [Member]
Cash			115
Accounts receivable, net			248
Other current assets			10
Property and equipment			338
Operating lease right of use asset			52
Goodwill			834
Broadcast licenses			2,044
Other intangible assets			522
Other current liabilities			(61)
Deferred income taxes			(472)
Operating lease liabilities			(52)
Total			3,537
Other current liabilities			61
Program broadcast rights			12
Other non-current assets			20
Employee compensation and benefits			(29)
Program broadcast obligations			(16)
Federal and state income taxes payable			(3)
Other long-term liabilities			$ (25)