Note 18 - Segments - Reconciliation of Segment EBITDA to Consolidated Net Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment EBITDA	$ 191	$ 226
Corporate expense and other items, net	(3)	(3)
Depreciation	(96)	(101)
Amortization	(5)	(5)
Non-service cost components of pension and OPEB costs	(2)	(4)
Restructuring charges, net	(5)	(5)
Stock compensation expense	(13)	(6)
Strategic transaction expenses	(15)	(2)
Gain (loss) on sale of property, plant and equipment	1	(5)
Supplier capacity charge adjustment	19
Loss on disposal group previously held for sale		(29)
Other items		4
Earnings before interest and income taxes	72	70
Interest income	3	4
Interest expense	39	39
Earnings before income taxes	$ 36	$ 35