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Quarterly Operating Results (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Quarterly Financial Information [Table Text Block]
2016
 
First
quarter
 
 
Second
quarter
 
 
Third
quarter
 
 
Fourth
quarter
 
 
Total
year
 
                                         
Net sales
 
$
2,047
 
 
$
2,360
 
 
$
2,507
 
 
$
2,476
 
 
$
9,390
 
Gross margin
 
$
764
 
 
$
951
 
 
$
1,041
 
 
$
990
 
 
$
3,746
 
Equity in earnings of affiliated companies
 
$
59
 
 
$
41
 
 
$
19
 
 
$
165
 
 
$
284
 
Benefit (provision) for income taxes
 
$
304
 
 
$
504
 
 
$
27
 
 
$
(832
)
 
$
3
 
Net (loss) income attributable to Corning Incorporated
 
$
(368
)
 
$
2,207
 
 
$
284
 
 
$
1,572
 
 
$
3,695
 
                                         
Basic (loss) earnings per common share
 
$
(0.36
)
 
$
2.06
 
 
$
0.27
 
 
$
1.64
 
 
$
3.53
 
Diluted (loss) earnings per common share
 
$
(0.36
)
 
$
1.87
 
 
$
0.26
 
 
$
1.47
 
 
$
3.23
 
2015
  
First
quarter
    
Second
quarter
    
Third
quarter
    
Fourth
quarter
    
Total
year
  
                                         
Net sales
   $
2,265
     $
2,343
     $
2,272
     $
2,231
     $
9,111
  
Gross margin
   $
929
     $
975
     $
892
     $
857
     $
3,653
  
Equity in earnings of affiliated companies
   $
94
     $
62
     $
39
     $
104
     $
299
  
(Provision) benefit for income taxes
   $
(86
 )   $
(110
 )   $
(6
 )   $
55
     $
(147
 )
Net income attributable to Corning Incorporated
   $
407
     $
496
     $
212
     $
224
     $
1,339
  
                                         
Basic earnings per common share
   $
0.30
     $
0.38
     $
0.16
     $
0.17
     $
1.02
  
Diluted earnings per common share
   $
0.29
     $
0.36
     $
0.15
     $
0.17
     $
1.00