Note 1 - Basis of Presentation - Disposal of Assets and Purchase of Property and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Proceeds from sale of assets	$ 0	$ (7)	$ (3)	$ (8)
Proceeds from FCC - Repack	4	5	10	19
Net book value of assets disposed	(2)	(2)	(6)	(4)
Gain (Loss) on Disposition of Business	(53)	0	(53)	0
Total	$ (51)	$ 10	(46)	23
Recurring purchases - operations			57	51
Doraville land purchase			91	0
Repack			6	19
Total			$ 154	$ 70