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

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 30,
In millions, except per share amounts	2023		2022		2023		2022
Earnings (loss) from continuing operations	$	222	$	416	$	394	$	683
Weighted average common shares outstanding	346.2		367.6		347.7		371.4
Effect of dilutive securities
Restricted performance share plan	0.3		3.1		1.8		4.3
Weighted average common shares outstanding – assuming dilution	346.5		370.7		349.5		375.7
Basic earnings (loss) per share from continuing operations	$	0.64	$	1.13	$	1.13	$	1.83
Diluted earnings (loss) per share from continuing operations	$	0.64	$	1.13	$	1.12	$	1.82