EARNINGS PER SHARE ATTRIBUTABLE TO INTERNATIONAL PAPER COMPANY COMMON SHAREHOLDERS (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

A reconciliation of the amounts included in the computation of basic earnings (loss) per share and diluted earnings (loss) per share is as follows:

 

	Three Months Ended June 30,				Six Months Ended June 30,
In millions, except per share amounts	2021		2020		2021		2020
Earnings (loss) attributable to International Paper Company common shareholders	$	432	$	266	$	781	$	125
Weighted average common shares outstanding	391.5		393.1		392.1		392.9
Effect of dilutive securities (a)
Restricted performance share plan	5.3		—		5.6		1.1
Weighted average common shares outstanding – assuming dilution	396.8		393.1		397.7		394.0
Basic earnings (loss) per share attributable to International Paper Company Common Shareholders	$	1.10	$	0.67	$	1.99	$	0.32
Diluted earnings (loss) per share attributable to International Paper Company Common Shareholders	$	1.09	$	0.67	$	1.96	$	0.32

(a) Securities are not included in the table in periods when antidilutive