PRO FORMA EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

Basic and diluted earnings per share are calculated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
In millions	2021		2020		2021		2020
Net income	$	92	$	51	$	269	$	105
Weighted-average common shares outstanding - basic and diluted	44.1		44.1		44.1		44.1
Pro forma earnings per share - basic and diluted	$	2.09	$	1.16	$	6.10	$	2.38