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Note 3 - Acquisitions and Divestitures (Details Textual) - USD ($) $ in Millions |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 01, 2019 | Sep. 25, 2019 | May 01, 2019 | Jan. 02, 2019 | Aug. 01, 2017 | Jun. 01, 2017 | May 01, 2017 | Jan. 17, 2017 | Jan. 13, 2017 | Jun. 01, 2016 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Finite-lived Intangible Assets Acquired |  |  |  |  |  |  |  |  |  |  |  | $ 522 | $ 0 |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  | $ 612 | 1,446 | 612 | $ 611
Proceeds from Divestiture of Businesses |  |  |  |  |  |  |  |  |  |  |  | 253 | 9 | 0
Business Combination, Acquisition Related Costs |  |  |  |  |  |  |  |  |  |  |  | 79 | $ 11 |
Raycom [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | $ 2,840 |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  | 3,660 |  |  |  |  |  |  |  | 3,677 |  |
Goodwill, Ending Balance |  |  |  | 829 |  |  |  |  |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  | $ 150 |  |  |  |  |  |  |  |  |  |
Raycom [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  |  |  | 11,500,000 |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  | $ 170 |  |  |  |  |  |  |  |  |  |
Raycom [Member] | Preferred Stock [Member] | Series A Perpetual Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  |  |  | 650,000 |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  | $ 650 |  |  |  |  |  |  |  |  |  |
KYOU-TV and WUPV-TV [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | 17 |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  |  |  |  |  |  | 17 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Gross Contractual Receivables above Their Fair Value |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
WWNY-TV, WNYF-CD, and KEYC-TV [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 48 |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  | $ 3 |  |  |  |  |  |  |  |  |  |  |
Sioux Falls Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 33 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance | $ 2 | $ 2 |  |  |  |  |  |  |  |  |  |  |  |
Charlottesville Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | 13 |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance | 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisitions 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  | 834 |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  |  |  |  | 1,100 |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  |  |  |  | $ 198 |  |
Acquisitions 2019 [Member] | Retransmission Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  |  | $ 322 |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  | 4 years 1 month 6 days |  |  |  |  |  |  |  |  |  |
Acquisitions 2019 [Member] | Off-Market Favorable Lease [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  |  | $ 98 |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  | 7 years 8 months 12 days |  |  |  |  |  |  |  |  |  |
Acquisitions 2019 [Member] | Network Affiliation Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  |  | $ 50 |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  | 3 years 8 months 12 days |  |  |  |  |  |  |  |  |  |
Acquisitions 2019 [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |
Acquisitions 2019 [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  | 40 years |  |  |  |  |  |  |  |  |  |
Fairbanks Acquistion [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  | $ 8 |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  | 0
Green Bay Acquisition and Davenport Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  |  | $ 270 |  |  |  |  |  |
Clarksburg Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  |  | $ 16 |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  | $ 26 |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Bangor Acquisition and Gainesville Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  |  | $ 85 |  |  |  |  |  |  |
Burlington and Plattsburg Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  | $ 6 | $ 23 |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  | $ 29 |  |  |  |  |  |  |  |  |
2017 Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  |  |  |  |  | 128
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  |  |  |  |  |  | 80
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  |  |  |  |  |  |  |  |  |  |  |  | 34
Business Combination, Acquisition Related Costs |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1
2017 Acquisitions [Member] | Retransmission Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years 1 month 6 days
Finite-Lived Intangible Assets, Gross, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28
2017 Acquisitions [Member] | Advertising Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years 8 months 12 days
Finite-Lived Intangible Assets, Gross, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5
2017 Acquisitions [Member] | Income Leases [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  | 11 years 10 months 24 days
Finite-Lived Intangible Assets, Gross, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3
2017 Acquisitions [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years
2017 Acquisitions [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  | 40 years
Stations Acquired from Raycom [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  | $ (234) |  |  |  |  |  |  |  |  |  |
WCAV-TV and WVAW-TV [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business | $ 19 |  |  |  |  |  |  |  |  |  |  |  |  |
WSWG-TV [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  |  |  | 5 |  |  |
Proceeds from Divestiture of Businesses |  |  |  |  |  |  |  |  |  |  | $ 9 |  |  |

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