Note 14 - Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

																Hemlock and
																Emerging
	Optical			Display			Specialty			Environmental			Life			Growth
	Communications			Technologies			Materials			Technologies			Sciences			Businesses			Total
Three months ended
March 31, 2022
Segment net sales	$	1,198		$	959		$	493		$	409		$	310		$	375		$	3,744
Depreciation (1)	$	59		$	156		$	40		$	33		$	14		$	38		$	340
Research, development and   engineering expenses (2)	$	55		$	31		$	53		$	25		$	9		$	40		$	213
Income tax provision (3)	$	(45	)	$	(63	)	$	(20	)	$	(20	)	$	(11	)	$	(1	)	$	(160	)
Segment net income (loss) (4)	$	166		$	236		$	75		$	74		$	42		$	(8	)	$	585

																Hemlock and
																Emerging
	Optical			Display			Specialty			Environmental			Life			Growth
	Communications			Technologies			Materials			Technologies			Sciences			Businesses			Total
Three months ended
March 31, 2021
Segment net sales	$	937		$	863		$	451		$	441		$	300		$	271		$	3,263
Depreciation (1)	$	58		$	148		$	41		$	36		$	12		$	32		$	327
Research, development and   engineering expenses (2)	$	51		$	22		$	45		$	27		$	8		$	34		$	187
Income tax (provision) benefit (3)	$	(31	)	$	(56	)	$	(24	)	$	(20	)	$	(13	)	$	8		$	(136	)
Segment net income (loss) (4)	$	111		$	213		$	91		$	74		$	48		$	(24	)	$	513

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Three months ended
	March 31,
	2022			2021
Net sales of reportable segments	$	3,369		$	2,992
Net sales of Hemlock and Emerging Growth Businesses		375			271
Impact of foreign currency movements (1)		(64	)		27
Consolidated net sales	$	3,680		$	3,290

Reconciliation of Net Income (Loss) from Segments to Consolidated [Table Text Block]

	Three months ended
	March 31,
	2022			2021
Net income of reportable segments	$	593		$	537
Net loss of Hemlock and Emerging Growth Businesses		(8	)		(24	)
Unallocated amounts:
Impact of foreign currency movements not included in segment net income (loss)		(63	)		6
Gain on foreign currency hedges related to translated earnings		129			272
Translation gain on Japanese yen-denominated debt		84			118
Research, development, and engineering expenses		(35	)		(34	)
Amortization of intangibles		(31	)		(32	)
Interest expense, net		(61	)		(74	)
Income tax provision		(20	)		(90	)
Other corporate items		(7	)		(80	)
Net income	$	581		$	599