Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net sales		$ 2,272	$ 2,540	$ 6,880	$ 7,311
Cost of sales		1,380	1,451	4,084	4,255
Gross margin		892	1,089	2,796	3,056
Operating expenses:
Selling, general and administrative expenses		307	261	960	980
Research, development and engineering expenses		181	199	561	605
Amortization of purchased intangibles		12	9	40	25
Restructuring, impairment and other charges					51
Operating income		392	620	1,235	1,395
Equity in earnings of affiliated companies		39	95	195	243
Interest income		6	5	16	21
Interest expense		(38)	(31)	(101)	(91)
Transaction-related gain, net					74
Foreign currency hedge (loss) gain, net		(154)	765	52	622
Other expense, net		(27)	(45)	(80)	(33)
Income before income taxes		218	1,409	1,317	2,231
Provision for income taxes (Note 4)		(6)	(395)	(202)	(747)
Net income attributable to Corning Incorporated		$ 212	$ 1,014	$ 1,115	$ 1,484
Earnings per common share attributable to Corning Incorporated:
Basic (Note 5) (in Dollars per share)		$ 0.16	$ 0.77	$ 0.84	$ 1.08
Diluted (Note 5) (in Dollars per share)		0.15	0.72	0.82	1.03
Dividends declared per common share (1) (in Dollars per share)	[1]	$ 0.12	$ 0.10	$ 0.24	$ 0.30

[1] The first quarter 2015 dividend was declared on December 3, 2014.