Note 4 - Restructuring of Operations - Accrued Restructuring Costs and Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Balance	$ 11	$ 30	$ 14
Charges to restructuring	4	7	36
Adjustments of accruals	(5)	(7)	(2)
Cash payments	(8)	(18)	(19)
Currency impact		(1)	1
Balance	2	11	30
Employee Termination Benefits [Member]
Balance	11	30	13
Charges to restructuring	2	2	30
Adjustments of accruals	(5)	(7)	(2)
Cash payments	(6)	(13)	(12)
Currency impact		(1)	1
Balance	2	11	30
Exit Costs [Member]
Balance	0	0	1
Charges to restructuring	2	5	6
Adjustments of accruals
Cash payments	(2)	(5)	(7)
Balance	$ 0	$ 0	$ 0