Earnings Per Share Attributable To International Paper Company Common Shareholders (Tables)

12 Months Ended

Dec. 31, 2020

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 basic earnings (loss) per share from continuing operations, and diluted earnings (loss) per share from continuing operations is as follows: 

In millions, except per share amounts	2020		2019		2018
Earnings (loss) from continuing operations attributable to International Paper common shareholders	$	482	$	1,225	$	1,667
Weighted average common shares outstanding	393.0		395.3		409.1
Effect of dilutive securities:
Restricted performance share plan	2.7		3.5		5.1
Weighted average common shares outstanding  – assuming dilution	395.7		398.8		414.2
Basic earnings (loss) per share from continuing operations	$	1.23	$	3.10	$	4.07
Diluted earnings (loss) per share from continuing operations	$	1.22	$	3.07	$	4.02