PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

A summary of the Corporation's pension and other postretirement benefit plans can be found in Note 15 to the Consolidated Financial Statements included in the 2023 10-K. The following table provides the components of the Corporation's net periodic benefit cost (credit) for all significant plans:

Net Periodic Benefit Cost (Credit) for All Significant Plans	Three Months Ended
In millions	Mar 31, 2024		Mar 31, 2023
Defined Benefit Pension Plans
Service cost 1	$	—	$	9
Interest cost	32		37
Expected return on plan assets	(42)		(52)
Amortization of net loss	17		16
Net periodic benefit cost	$	7	$	10
Other Postretirement Benefit Plan
Interest cost	$	2	$	2
Amortization of net gain	(3)		(4)
Net periodic benefit credit	$	(1)	$	(2)

1.The decrease in service cost is due to the freeze of pension benefits, effective December 31, 2023.

Net periodic benefit cost (credit), other than the service cost component, is included in "Sundry income (expense) - net" in the consolidated statements of income.