Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net sales	$ 2,343	$ 2,482	$ 4,608	$ 4,771
Cost of sales	1,368	1,450	2,704	2,804
Gross margin	975	1,032	1,904	1,967
Operating expenses:
Selling, general and administrative expenses	337	322	653	719
Research, development and engineering expenses	191	208	380	406
Amortization of purchased intangibles	16	8	28	16
Restructuring, impairment and other charges		34		51
Operating income	431	460	843	775
Equity in earnings of affiliated companies	62	62	156	148
Interest income	5	4	10	16
Interest expense	(33)	(30)	(63)	(60)
Transaction-related gain, net				74
Foreign currency hedge gain (loss), net	164	(137)	206	(143)
Other (expense) income, net	(23)	(18)	(53)	12
Income before income taxes	606	341	1,099	822
Provision for income taxes (Note 4)	(110)	(172)	(196)	(352)
Net income attributable to Corning Incorporated	$ 496	$ 169	$ 903	$ 470
Earnings per common share attributable to Corning Incorporated:
Basic (Note 5) (in Dollars per share)	$ 0.38	$ 0.11	$ 0.68	$ 0.32
Diluted (Note 5) (in Dollars per share)	0.36	0.11	0.65	0.32
Dividends declared per common share (1) (in Dollars per share)	$ 0.12	$ 0.10	$ 0.12	$ 0.20