Note 1 - Description of Business and Summary of Significant Accounting Policies - Disposal of Assets and Purchase of Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Proceeds from sale of assets	$ 478	$ 9	$ 253
Proceeds from Repack reimbursement (Note 1)	11	29	41
Net book value of assets disposed	(531)	(9)	(240)
Total	(42)	29	54
Recurring purchases - operations	90	87	89
Assembly Atlanta development	109	0	0
Repack	8	23	20
Repack related	0	0	1
Total	$ 207	$ 110	$ 110