Note 4 - Restructuring of Operations - Accrued Restructuring Costs and Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 2	$ 11	$ 30
Charges to restructuring	25	4	7
Adjustments of accruals		(5)	(7)
Cash payments	(17)	(8)	(18)
Currency impact			(1)
Balance	10	2	11
Employee Termination Benefits [Member]
Balance	2	11	30
Charges to restructuring	17	2	2
Adjustments of accruals		(5)	(7)
Cash payments	(9)	(6)	(13)
Currency impact			(1)
Balance	10	2	11
Exit Costs [Member]
Balance	0	0	0
Charges to restructuring	8	2	5
Cash payments	(8)	(2)	(5)
Balance	$ 0	$ 0	$ 0