Note 15 - Reportable Segments (Tables)

9 Months Ended

Sep. 30, 2024

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, 2024
Segment net sales	$	1,246		$	1,015		$	548		$	382		$	244		$	298		$	3,733
Depreciation (1)	$	69		$	110		$	39		$	32		$	17		$	41		$	308
Research, development and engineering expenses (2)	$	71		$	29		$	69		$	26		$	5		$	48		$	248
Income tax provision (3)	$	(49	)	$	(75	)	$	(20	)	$	(19	)	$	(4	)				$	(167	)
Segment net income (loss)	$	175		$	285		$	72		$	75		$	15		$	(12	)	$	610

																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
Nine months ended September 30, 2024
Segment net sales	$	3,289		$	2,901		$	1,503		$	1,268		$	729		$	905		$	10,595
Depreciation (1)	$	201		$	336		$	115		$	96		$	51		$	119		$	918
Research, development and engineering expenses (2)	$	202		$	83		$	186		$	75		$	17		$	123		$	686
Income tax (provision) benefit (3)	$	(118	)	$	(196	)	$	(48	)	$	(73	)	$	(12	)	$	3		$	(444	)
Segment net income (loss)	$	418		$	744		$	179		$	277		$	45		$	(45	)	$	1,618

																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

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

	Three months ended						Nine months ended
	September 30,						September 30,
	2024			2023			2024			2023
Net sales of reportable segments	$	3,435		$	3,132		$	9,690		$	9,218
Net sales of Hemlock and Emerging Growth Businesses		298			327			905			1,090
Impact of constant-currency reporting (1)		(342	)		(286	)		(978	)		(714	)
Consolidated net sales	$	3,391		$	3,173		$	9,617		$	9,594

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

	Three months ended						Nine months ended
	September 30,						September 30,
	2024			2023			2024			2023
Net income of reportable segments	$	622		$	517		$	1,663		$	1,465
Net (loss) income of Hemlock and Emerging Growth Businesses		(12	)		(8	)		(45	)		34
Unallocated amounts:
Impact of constant-currency reporting		(258	)		(212	)		(751	)		(535	)
Translated earnings contract (loss) gain, net		(157	)		20			(91	)		128
Translation (loss) gain on Japanese yen-denominated debt		(107	)		35			28			162
Litigation, regulatory and other legal matters		(16	)		(32	)		(11	)		(44	)
Research, development, and engineering expenses (1)		(39	)		(40	)		(121	)		(127	)
Amortization of intangibles		(31	)		(30	)		(91	)		(92	)
Interest expense, net		(63	)		(62	)		(189	)		(179	)
Income tax benefit		164			105			320			234
Severance charges		(43	)		(13	)		(46	)		(91	)
Capacity optimization and other charges and credits (2)		(91	)		(59	)		(217	)		(184	)
Other corporate items		(86	)		(57	)		(253	)		(150	)
Net (loss) income attributable to Corning Incorporated	$	(117	)	$	164		$	196		$	621