Quarterly Operating Results (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Operating Results [Abstract]

Schedule Of Quarterly Operating Results

2012	First quarter		Second quarter		Third quarter		Fourth quarter		Total year
Net sales	$	1,920	$	1,908	$	2,038	$	2,146	$	8,012
Gross margin	$	814	$	797	$	879	$	907	$	3,397
Restructuring, impairment and other credits							$	133	$	133
Asbestos litigation charges	$	1	$	5	$	3	$	5	$	14
Equity in earnings of affiliated companies	$	218	$	259	$	240	$	93	$	810
Provision for income taxes	$	(111)	$	(93)	$	(87)	$	(98)	$	(389)
Net income attributable to Corning Incorporated	$	462	$	462	$	521	$	283	$	1,728
Basic earnings per common share	$	0.30	$	0.31	$	0.35	$	0.19	$	1.16
Diluted earnings per common share	$	0.30	$	0.30	$	0.35	$	0.19	$	1.15
2011	First quarter		Second quarter		Third quarter		Fourth quarter		Total year
Net sales	$	1,923	$	2,005	$	2,075	$	1,887	$	7,890
Gross margin	$	874	$	889	$	978	$	825	$	3,566
Restructuring, impairment and other charges							$	129	$	129
Asbestos litigation charges	$	5	$	5	$	5	$	9	$	24
Equity in earnings of affiliated companies	$	398	$	428	$	324	$	321	$	1,471
Provision for income taxes	$	(114)	$	(123)	$	(110)	$	(61)	$	(408)
Net income attributable to Corning Incorporated	$	748	$	755	$	811	$	491	$	2,805
Basic earnings per common share	$	0.48	$	0.48	$	0.52	$	0.32	$	1.80
Diluted earnings per common share	$	0.47	$	0.47	$	0.51	$	0.31	$	1.77