RETIREMENT PLANS (Tables)

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [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	2017			2016			2017			2016
Service cost	$	39		$	36		$	79		$	73
Interest cost	139			158			277			314
Expected return on plan assets	(193		)	(206		)	(385		)	(412		)
Actuarial loss	88			96			173			190
Amortization of prior service cost	7			10			14			20
Settlement	—			439			—			439
Net periodic pension expense	$	80		$	533		$	158		$	624