Note 15 - Reportable Segments - Reconciliation of Reportable Segments and All Other Net Sales to Consolidated Net Sales (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Consolidated net sales		$ 3,488	$ 3,615	$ 10,783	$ 10,406
Hemlock and Emerging Growth Businesses [Member]
Net sales of reportable segments		407	306	1,200	865
Operating Segments [Member]
Net sales of reportable segments		3,666	3,639	11,172	10,406
Operating Segments [Member] | Reportable Segments [Member]
Net sales of reportable segments		3,259	3,333	9,972	9,541
Segment Reconciling Items [Member]
Impact of constant currency reporting (1)	[1]	$ (178)	$ (24)	$ (389)

[1] This amount primarily represents the impact of foreign currency adjustments in the Display Technologies segment.