ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

3 Months Ended

Mar. 31, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Components of Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Loss	Cumulative Translation Adj			Pension and Other Postretire Benefits			Accum Other Comp Loss
In millions
Balance at Jan 1, 2017	$	(62	)	$	(1,258	)	$	(1,320	)
Other comprehensive income before reclassifications	1			—			1
Amounts reclassified from accumulated other comprehensive loss	—			12			12
Net other comprehensive income	1			12			13
Balance at Mar 31, 2017	$	(61	)	$	(1,246	)	$	(1,307	)
Balance at Jan 1, 2018	$	(59	)	$	(1,293	)	$	(1,352	)
Amounts reclassified from accumulated other comprehensive loss	—			16			16
Net other comprehensive income	—			16			16
Balance at Mar 31, 2018	$	(59	)	$	(1,277	)	$	(1,336	)

The tax effects on the net activity related to each component of other comprehensive loss for the three months ended March 31, 2018 and 2017 were as follows:

Tax Benefit	Three Months Ended
In millions	Mar 31, 2018		Mar 31, 2017
Pension and other postretirement benefit plans	$	6	$	8

Schedule of Reclassifications Out of Accumulated Other Comprehensive Income

Reclassifications Out of Accumulated Other Comprehensive Loss	Three Months Ended						Consolidated Statements of Income Classification
	Mar 31, 2018			Mar 31, 2017
In millions
Pension and other postretirement benefit plans	$	22		$	20		See (1) below
Tax benefit	(6		)	(8		)	See (2) below
After tax	$	16		$	12

1. Included in the computation of net periodic benefit cost of the Corporation's pension and other postretirement plans. See Note 10 for additional information.

2. "Provision for income taxes."