Quarterly Operating Results (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Operating Results [Abstract]

Schedule Of Quarterly Operating Results

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 credits	$		$		$		$	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
2010	First quarter		Second quarter		Third quarter		Fourth quarter		Total year
Net sales	$	1,553	$	1,712	$	1,602	$	1,765	$	6,632
Gross margin	$	731	$	827	$	724	$	767	$	3,049
Restructuring, impairment and other charges	$	(2)			$	(1)	$	(326)	$	(329)
Asbestos litigation charges	$	(52)	$	5	$	6	$	(8)	$	(49)
Equity in earnings of affiliated companies	$	469	$	474	$	504	$	511	$	1,958
Provision for income taxes	$	(97)	$	(31)	$	(14)	$	(145)	$	(287)
Net income attributable to Corning Incorporated	$	816	$	913	$	785	$	1,044	$	3,558
Basic earnings per common share	$	0.52	$	0.59	$	0.50	$	0.67	$	2.28
Diluted earnings per common share	$	0.52	$	0.58	$	0.50	$	0.66	$	2.25