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EARNINGS PER SHARE ATTRIBUTABLE TO INTERNATIONAL PAPER COMPANY COMMON SHAREHOLDERS (Tables)
 9 Months Ended
Sep. 30, 2013
Earnings Per Share, Basic and Diluted [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
A reconciliation of the amounts included in the computation of earnings (loss) per common share, and diluted earnings (loss) per common share is as follows: 
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
In millions, except per share amounts
2013
 
2012
 
2013
 
2012
Earnings (loss) from continuing operations
$
392

 
$
223

 
$
919

 
$
524

Effect of dilutive securities (a)
—

 
—

 
—

 
—

Earnings (loss) from continuing operations – assuming dilution
$
392

 
$
223

 
$
919

 
$
524

Average common shares outstanding
445.9

 
435.1

 
444.1

 
434.7

Effect of dilutive securities (a)
 
 
 
 
 
 
 
Restricted stock performance share plan
3.6

 
4.7

 
4.3

 
5.0

Stock options (b)
0.2

 
—

 
0.3

 
—

Average common shares outstanding – assuming dilution
449.7

 
439.8

 
448.7

 
439.7

Basic earnings (loss) from continuing operations per common share
$
0.88

 
$
0.51

 
$
2.07

 
$
1.20

Diluted earnings (loss) from continuing operations per common share
$
0.87

 
$
0.51

 
$
2.05

 
$
1.19

(a) Securities are not included in the table in periods when antidilutive.
(b)
Options to purchase 10.7 million shares for the three months ended September 30, 2012 and 9.4 million shares for the nine months ended September 30, 2012 were not included in the computation of diluted common shares outstanding because their exercise price exceeded the average market price of the Company’s common stock for each respective reporting period.