Note 11 - Goodwill and Intangible Assets - Changes in Goodwill and Other Intangible Assets, Net (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Goodwill	$ 2,657		$ 2,649
Goodwill, acquisitions and adjustments	8
Broadcast licenses	5,314		5,303
Finite-lived intangible assets	739		825
Amortization	(104)	$ (53)
Total intangible assets net of accumulated amortization	8,710		$ 8,777
Total intangible assets net of accumulated amortization	37
Broadcast Licenses [Member]
Acquisition and adjustments	11
Finite-Lived Intangible Assets [Member]
Acquisition and adjustments	18
Amortization	$ (104)