PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

6 Months Ended

Jun. 30, 2022

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 17 to the Consolidated Financial Statements included in the 2021 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				Six Months Ended
In millions	Jun 30, 2022		Jun 30, 2021		Jun 30, 2022		Jun 30, 2021
Defined Benefit Pension Plans
Service cost	$	9	$	6	$	18	$	14
Interest cost	23		21		46		40
Expected return on plan assets	(56)		(56)		(113)		(107)
Amortization of prior service credit	(1)		—		(1)		—
Amortization of net loss	27		28		54		58
Curtailment gain	—		—		—		(7)
Net periodic benefit cost (credit)	$	2	$	(1)	$	4	$	(2)
Other Postretirement Benefit Plan
Interest cost	$	1	$	1	$	2	$	2
Amortization of net gain	(2)		(1)		(4)		(2)
Net periodic benefit cost (credit)	$	(1)	$	—	$	(2)	$	—

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