RETIREMENT PLANS (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans [Table Text Block]

Net periodic pension expense (income) for our qualified and nonqualified U.S. defined benefit plans comprised the following: 

	Three Months Ended June 30,				Six Months Ended June 30,
In millions	2022		2021		2022		2021
Service cost	$	20	$	25	$	43	$	52
Interest cost	85		84		169		167
Expected return on plan assets	(163)		(183)		(325)		(366)
Actuarial loss	23		40		44		79
Amortization of prior service cost	5		5		11		11
Net periodic pension expense (income)	$	(30)	$	(29)	$	(58)	$	(57)