PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables)

9 Months Ended

Sep. 30, 2023

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 (credit) for all significant plans:

Net Periodic Benefit Cost (Credit) for All Significant Plans	Three Months Ended				Nine Months Ended
In millions	Sep 30, 2023		Sep 30, 2022		Sep 30, 2023		Sep 30, 2022
Defined Benefit Pension Plans
Service cost	$	71	$	97	$	212	$	295
Interest cost	280		170		838		512
Expected return on plan assets	(391)		(420)		(1,170)		(1,267)
Amortization of prior service credit	(7)		(5)		(20)		(16)
Amortization of net loss	24		163		71		495
Net periodic benefit cost (credit)	$	(23)	$	5	$	(69)	$	19
Other Postretirement Benefit Plans
Service cost	$	1	$	1	$	3	$	4
Interest cost	11		6		34		20
Amortization of net gain	(14)		(3)		(43)		(11)
Net periodic benefit cost (credit)	$	(2)	$	4	$	(6)	$	13