RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Non-service cost components of net periodic pension expense for the Company’s direct plans comprised the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
In millions	2021		2020		2021		2020
Interest cost	$	1	$	1	$	3	$	3
Expected return on plan assets	(3)		(2)		(7)		(6)
Actuarial loss (gain)	—		—		1		1
Net periodic pension expense (benefit)	$	(2)	$	(1)	$	(3)	$	(2)