Note 14 - Reportable Segments - Reconciliation of Reportable Segments and All Other Net Sales to Consolidated Net Sales (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Consolidated net sales		$ 3,178	$ 3,680
Hemlock and Emerging Growth Businesses [Member]
Net sales of reportable segments		386	375
Operating Segments [Member]
Net sales of reportable segments		3,367	3,744
Operating Segments [Member] | Reportable Segments [Member]
Net sales of reportable segments		2,981	3,369
Segment Reconciling Items [Member]
Impact of constant currency reporting (1)	[1]	$ (189)	$ (64)

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