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Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2019

Reportable Segments [Abstract]

Reportable Segments















		Display			Optical			Specialty			Environmental			Life			All
		Technologies			Communications			Materials			Technologies			Sciences			Other			Total
Three months ended
March 31, 2019
Segment net sales		$	818		$	1,064		$	309		$	362		$	243		$	54		$	2,850
Depreciation (1)		$	152		$	59		$	37		$	31		$	13		$	11		$	303
Research, development and    engineering expenses (2)		$	26		$	56		$	41		$	30		$	5		$	55		$	213
Income tax (provision)    benefit (3)		$	(55)		$	(39)		$	(13)		$	(15)		$	(8)		$	19		$	(111)
Segment net income (loss) (4)		$	208		$	142		$	49		$	55		$	31		$	(72)		$	413







		Display			Optical			Specialty			Environmental			Life			All
		Technologies			Communications			Materials			Technologies			Sciences			Other			Total
Three months ended
March 31, 2018
Segment net sales		$	745		$	886		$	278		$	322		$	232		$	50		$	2,513
Depreciation (1)		$	144		$	52		$	33		$	29		$	14		$	11		$	283
Research, development and    engineering expenses (2)		$	23		$	49		$	39		$	29		$	5		$	57		$	202
Income tax (provision)    benefit (3)		$	(49)		$	(30)		$	(12)		$	(14)		$	(7)		$	20		$	(92)
Segment net income (loss) (4)		$	185		$	109		$	46		$	52		$	27		$	(74)		$	345



(1) Depreciation expense for Corning’s reportable segments includes an allocation of depreciation of corporate property not specifically identifiable to a segment.

(2) Research, development and engineering expenses include direct project spending that is identifiable to a segment.

(3) Income tax provision (benefit) reflects a tax rate of 21%.

(4) Many of Corning’s administrative and staff functions are performed on a centralized basis.  Where practicable, Corning charges these expenses to segments based upon the extent to which each business uses a centralized function.  Other staff functions, such as corporate finance, human resources and legal, are allocated to segments, primarily as a percentage of sales.  Expenses that are not allocated to the segments are included in the reconciliation of reportable segment net income to consolidated net income below.

Reconciliation of Reportable Segment and All Other Net Sales to Consolidated Net Sales





		Three months ended
		March 31,
		2019			2018
Net sales of reportable segments and All Other		$	2,850		$	2,513
     Impact of foreign currency movements (1)			(38)			(13)
Net sales		$	2,812		$	2,500



(1) This amount primarily represents the impact of foreign currency adjustments in the Display Technologies and Environmental Technologies segments.

Reconciliation of Reportable Segment Net Income to Consolidated Net Income (Loss)







		Three months ended
		March 31,
		2019			2018
Net income of reportable segments		$	485		$	419
Net loss of All Other			(72)			(74)
Unallocated amounts:
   Impact of foreign currency movements			(37)			(31)
   Gain (loss) on foreign currency hedges       related to translated earnings			184			(622)
   Litigation, regulatory and other legal matters						(136)
   Research, development, and engineering expenses			(36)			(39)
   Equity in earnings of affiliated companies (1)			26			(37)
   Amortization of intangibles			(29)			(19)
   Interest expense, net			(45)			(39)
   Income tax benefit (provision)			35			(32)
   Other corporate items			(12)			21
Net income (loss)		$	499		$	(589)



Primarily represents the equity earnings of HSG.

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