v3.22.4
ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)
12 Months Ended
Dec. 31, 2022
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, 2022, 2021 and 2020 were as follows:

Accumulated Other Comprehensive Loss202220212020
In millions
Cumulative Translation Adjustment
Beginning balance$(53)$(55)$(56)
Unrealized gains (losses) on foreign currency translation— — 
(Gains) losses reclassified from AOCL to net income 1
(1)— 
Other comprehensive income (loss), net of tax(1)
Ending balance$(54)$(53)$(55)
Pension and Other Postretirement Benefits
Beginning balance$(1,498)$(1,715)$(1,609)
Gains (losses) arising during the period96 180 (242)
Tax (expense) benefit(22)(43)57 
Net gains (losses) arising during the period74 137 (185)
Amortization of net loss and prior service credit reclassified from AOCL to net income 2
98 104 103 
Tax expense (benefit) 3
(22)(24)(24)
Net loss and prior service credit reclassified from AOCL to net income76 80 79 
Other comprehensive income (loss), net of tax150 217 (106)
Ending balance$(1,348)$(1,498)$(1,715)
Total AOCL ending balance$(1,402)$(1,551)$(1,770)
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 16 for additional information.
3.Reclassified to "Provision for income taxes."