RETIREMENT PLANS (Tables)

9 Months Ended

Sep. 30, 2017

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 September 30,						Nine Months Ended September 30,
In millions	2017			2016			2017			2016
Service cost	$	39		$	41		$	118		$	114
Interest cost	138			135			415			449
Expected return on plan assets	(192		)	(199		)	(577		)	(611		)
Actuarial loss	87			103			260			293
Amortization of prior service cost	7			11			21			31
Settlement	—			3			—			442
Net periodic pension expense	$	79		$	94		$	237		$	718