PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables)

6 Months Ended

Jun. 30, 2025

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				Six Months Ended
In millions	Jun 30, 2025		Jun 30, 2024		Jun 30, 2025		Jun 30, 2024
Defined Benefit Pension Plans
Service cost	$	11	$	14	$	21	$	28
Interest cost	249		250		495		502
Expected return on plan assets	(322)		(343)		(641)		(689)
Amortization of prior service credit	(3)		(4)		(6)		(7)
Amortization of net loss	41		36		81		71
Net periodic benefit credit	$	(24)	$	(47)	$	(50)	$	(95)
Other Postretirement Benefit Plans
Service cost	$	1	$	1	$	2	$	2
Interest cost	11		11		20		22
Amortization of net gain	(12)		(11)		(23)		(21)
Net periodic benefit cost (credit)	$	—	$	1	$	(1)	$	3