Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue	$ 813	$ 868	$ 1,614	$ 1,695
Sales Channel, Directly to Consumer [Member]
Revenue	559	536	1,117	1,087
Sales Channel, Through Intermediary [Member]
Revenue	254	332	497	608
Core Advertising [Member]
Revenue	379	366	736	731
Political Advertising [Member]
Revenue	12	90	20	116
Advertising [Member]
Revenue	391	456	756	847
Retransmission Consent [Member]
Revenue	394	382	789	775
Production Companies [Member]
Revenue	12	13	34	36
Service, Other [Member]
Revenue	$ 16	$ 17	$ 35	$ 37