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

9 Months Ended

Sep. 30, 2023

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

	Three Months Ended September 30,				Nine Months Ended September 30,
In millions, except per share amounts	2023		2022		2023		2022
Earnings (loss) from continuing operations	$	192	$	887	$	586	$	1,570
Weighted average common shares outstanding	346.0		357.8		347.2		366.8
Effect of dilutive securities
Restricted performance share plan	2.1		2.6		1.8		3.9
Weighted average common shares outstanding – assuming dilution	348.1		360.4		349.0		370.7
Basic earnings (loss) per share from continuing operations	$	0.55	$	2.48	$	1.69	$	4.28
Diluted earnings (loss) per share from continuing operations	$	0.55	$	2.46	$	1.68	$	4.24