RETIREMENT PLANS (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

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

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

	Three Months Ended March 31,
In millions	2018			2017
Service cost	$	38		$	40
Interest cost	118			138
Expected return on plan assets	(200		)	(192		)
Actuarial loss	82			85
Amortization of prior service cost	4			7
Net periodic pension expense	$	42		$	78