COMMITMENTS AND CONTINGENT LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Environmental Loss Contingency Disclosure [Text Block]

The following table summarizes the activity in the Corporation's accrued obligations for environmental matters for the years ended December 31, 2017 and 2016:

Accrued Liability for Environmental Matters
In millions	2017			2016
Balance at Jan 1	$	145		$	115
Accrual adjustment	36			115
Payments against reserve	(68		)	(85		)
Foreign currency impact	1			—
Balance at Dec 31	$	114		$	145

Long-term Purchase Commitment [Line Items]

Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block]

The Corporation has outstanding purchase commitments and various commitments for take-or-pay or throughput agreements. The Corporation was not aware of any purchase commitments that were negotiated as part of a financing arrangement for the facilities that will provide the contracted goods or services or for the costs related to those goods or services at December 31, 2017 and 2016.