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, 2024	Mar. 31, 2023
Consolidated net sales		$ 2,975	$ 3,178
Operating Segments [Member]
Net sales of reportable segments		3,258	3,367
Impact of constant-currency reporting (1)	[1]	(283)	(189)
Operating Segments [Member] | Reportable Segments [Member]
Net sales of reportable segments		2,947	2,981
Operating Segments [Member] | Hemlock and Emerging Growth Businesses [Member]
Net sales of reportable segments		$ 311	$ 386

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