RETIREMENT PLANS (Tables)

6 Months Ended

Jun. 30, 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 June 30,						Six Months Ended June 30,
In millions	2018			2017			2018			2017
Service cost	$	41		$	39		$	79		$	79
Interest cost	120			139			238			277
Expected return on plan assets	(200		)	(193		)	(400		)	(385		)
Actuarial loss	108			88			190			173
Amortization of prior service cost	4			7			8			14
Net periodic pension expense	$	73		$	80		$	115		$	158