PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables)

3 Months Ended

Mar. 31, 2022

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

The following table provides the components of the Company's net periodic benefit cost for all significant plans:

Net Periodic Benefit Cost for All Significant Plans	Three Months Ended
In millions	Mar 31, 2022		Mar 31, 2021
Defined Benefit Pension Plans
Service cost	$	99	$	102
Interest cost	171		143
Expected return on plan assets	(424)		(422)
Amortization of prior service credit	(6)		(5)
Amortization of net loss	167		224
Curtailment gain	—		(19)
Net periodic benefit cost	$	7	$	23
Other Postretirement Benefit Plans
Service cost	$	1	$	2
Interest cost	7		6
Amortization of net gain	(4)		(2)
Net periodic benefit cost	$	4	$	6