Note 14 - Reportable Segments (Tables)

9 Months Ended

Sep. 30, 2023

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 September 30, 2023
Segment net sales	$	918		$	972		$	563		$	449		$	230		$	327		$	3,459
Depreciation (1)	$	65		$	119		$	37		$	32		$	18		$	37		$	308
Research, development and engineering expenses (2)	$	60		$	26		$	62		$	26		$	7		$	41		$	222
Income tax provision (3)	$	(24	)	$	(64	)	$	(19	)	$	(27	)	$	(4	)	$	(2	)	$	(140	)
Segment net income (loss)	$	91		$	242		$	72		$	99		$	13		$	(8	)	$	509

																Hemlock
																and
																Emerging
	Optical			Display			Specialty			Environmental			Life			Growth
	Communications			Technologies			Materials			Technologies			Sciences			Businesses			Total
Three months ended September 30, 2022
Segment net sales	$	1,317		$	686		$	519		$	425		$	312		$	407		$	3,666
Depreciation (1)	$	58		$	124		$	36		$	31		$	14		$	38		$	301
Research, development and engineering expenses (2)	$	60		$	31		$	66		$	25		$	10		$	43		$	235
Income tax provision (3)	$	(50	)	$	(35	)	$	(26	)	$	(23	)	$	(11	)	$	(8	)	$	(153	)
Segment net income	$	183		$	134		$	96		$	87		$	43		$	18		$	561

																Hemlock
																and
																Emerging
	Optical			Display			Specialty			Environmental			Life			Growth
	Communications			Technologies			Materials			Technologies			Sciences			Businesses			Total
Nine months ended September 30, 2023
Segment net sales	$	3,109		$	2,663		$	1,392		$	1,337		$	717		$	1,090		$	10,308
Depreciation (1)	$	195		$	362		$	111		$	97		$	52		$	105		$	922
Research, development and engineering expenses (2)	$	176		$	73		$	172		$	73		$	25		$	121		$	640
Income tax provision (3)	$	(105	)	$	(161	)	$	(38	)	$	(77	)	$	(9	)	$	(22	)	$	(412	)
Segment net income	$	390		$	610		$	144		$	288		$	33		$	34		$	1,499

																Hemlock
																and
																Emerging
	Optical			Display			Specialty			Environmental			Life			Growth
	Communications			Technologies			Materials			Technologies			Sciences			Businesses			Total
Nine months ended September 30, 2022
Segment net sales	$	3,828		$	2,523		$	1,497		$	1,190		$	934		$	1,200		$	11,172
Depreciation (1)	$	185		$	426		$	118		$	98		$	44		$	111		$	982
Research, development and engineering expenses (2)	$	173		$	92		$	163		$	74		$	28		$	121		$	651
Income tax provision (3)	$	(146	)	$	(157	)	$	(70	)	$	(59	)	$	(32	)	$	(19	)	$	(483	)
Segment net income	$	531		$	598		$	262		$	223		$	122		$	35		$	1,771

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

	Three months ended						Nine months ended
	September 30,						September 30,
	2023			2022			2023			2022
Net sales of reportable segments	$	3,132		$	3,259		$	9,218		$	9,972
Net sales of Hemlock and Emerging Growth Businesses		327			407			1,090			1,200
Impact of constant currency reporting (1)		(286	)		(178	)		(714	)		(389	)
Consolidated net sales	$	3,173		$	3,488		$	9,594		$	10,783

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

	Three months ended						Nine months ended
	September 30,						September 30,
	2023			2022			2023			2022
Net income of reportable segments	$	517		$	543		$	1,465		$	1,736
Net (loss) income of Hemlock and Emerging Growth Businesses		(8	)		18			34			35
Unallocated amounts:
Impact of constant currency reporting		(212	)		(136	)		(535	)		(319	)
Gain (loss) on foreign currency hedges related to translated earnings		20			(68	)		128			257
Translation gain on Japanese yen-denominated debt		35			84			162			321
Litigation, regulatory and other legal matters		(32	)		(23	)		(44	)		(65	)
Research, development, and engineering expenses (1)		(40	)		(43	)		(127	)		(115	)
Amortization of intangibles		(30	)		(31	)		(92	)		(92	)
Interest expense, net		(62	)		(59	)		(179	)		(180	)
Income tax benefit		105			119			234			103
Severance charges (2)		(13	)		(8	)		(86	)		(8	)
Disposal of assets and other charges and credits (3)		(59	)		(130	)		(184	)		(209	)
Gain on sale of business											53
Other corporate items		(57	)		(58	)		(155	)		(165	)
Net income attributable to Corning Incorporated	$	164		$	208		$	621		$	1,352