Note 1 - Basis of Presentation - Disposal of Assets and Purchase of Property and Equipment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Proceeds from Repack	$ (5)	$ (4)
Net book value of assets disposed	0	1
Other	0	(1)
Gain on disposal of assets, net	(5)	(4)
Recurring purchases - operations	17	12
Assembly Atlanta development	30	1
Total	$ 47	$ 13