ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2023

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, 2023, 2022 and 2021 were as follows:

Accumulated Other Comprehensive Loss	2023		2022		2021
In millions
Cumulative Translation Adjustment
Beginning balance	$	(54)	$	(53)	$	(55)
Unrealized gains (losses) on foreign currency translation	1		—		2
(Gains) losses reclassified from AOCL to net income 1	—		(1)		—
Other comprehensive income (loss), net of tax	1		(1)		2
Ending balance	$	(53)	$	(54)	$	(53)
Pension and Other Postretirement Benefits
Beginning balance	$	(1,348)	$	(1,498)	$	(1,715)
Gains (losses) arising during the period	(116)		96		180
Tax (expense) benefit	25		(22)		(43)
Net gains (losses) arising during the period	(91)		74		137
Amortization of net loss and prior service credit reclassified from AOCL to net income 2	194		98		104
Tax expense (benefit) 3	(45)		(22)		(24)
Net loss and prior service credit reclassified from AOCL to net income	149		76		80
Other comprehensive income (loss), net of tax	58		150		217
Ending balance	$	(1,290)	$	(1,348)	$	(1,498)
Total AOCL ending balance	$	(1,343)	$	(1,402)	$	(1,551)

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

2.These AOCL components are included in the computation of net periodic benefit cost (credit) of the Corporation's defined benefit pension and other postretirement benefit plans. See Note 15 for additional information.

3.Reclassified to "Provision for income taxes."