ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2021

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Loss

The changes in each component of AOCL for the years ended December 31, 2021, 2020 and 2019 were as follows:

Accumulated Other Comprehensive Loss	2021		2020		2019
In millions
Cumulative Translation Adjustment
Beginning balance	$	(55)	$	(56)	$	(57)
Unrealized gains (losses) on foreign currency translation	2		—		1
(Gains) losses reclassified from AOCL to net income 1	—		1		—
Other comprehensive income (loss), net of tax	2		1		1
Ending balance	$	(53)	$	(55)	$	(56)
Pension and Other Postretirement Benefits
Beginning balance	$	(1,715)	$	(1,609)	$	(1,504)
Gains (losses) arising during the period	180		(242)		(213)
Tax (expense) benefit	(43)		57		51
Net gains (losses) arising during the period	137		(185)		(162)
Amortization of net loss and prior service credit reclassified from AOCL to net income 2	104		103		75
Tax expense (benefit) 3	(24)		(24)		(18)
Net loss and prior service credit reclassified from AOCL to net income	80		79		57
Other comprehensive income (loss), net of tax	217		(106)		(105)
Ending balance	$	(1,498)	$	(1,715)	$	(1,609)
Total AOCL ending balance	$	(1,551)	$	(1,770)	$	(1,665)

1.Reclassified to "Sundry income (expense) - net."

2.These AOCL components are included in the computation of net periodic benefit cost of the Corporation's defined benefit pension and other postretirement benefit plans. See Note 17 for additional information.

3.Reclassified to "Provision for income taxes."