ACCUMULATED OTHER COMPREHENSIVE LOSS

3 Months Ended

Mar. 31, 2018

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

ACCUMULATED OTHER COMPREHENSIVE LOSS

ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table summarizes the changes and after-tax balances of each component of accumulated other comprehensive loss for the three months ended March 31, 2018 and 2017:

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

A summary of the reclassifications out of accumulated other comprehensive loss for the three months ended March 31, 2018 and 2017 is provided as follows:

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."