Goodwill And Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes In Goodwill Balances [Table Text Block]

GOODWILL

The following table presents changes in the goodwill balances as allocated to each business segment for the years ended December 31, 2017 and 2016:

In millions	Industrial Packaging				Global Cellulose Fibers			Printing Papers				Total
Balance as of December 31, 2015
Goodwill	$	3,384			$	—		$	2,124			$	5,508
Accumulated impairment losses	(296		)		—			(1,877		)		(2,173		)
	3,088				—			247				3,335
Reclassifications and other (a)	(4		)		—			33				29
Additions/reductions	(5		)	(b)	19		(c)	(14		)	(d)	—
Impairment loss	—				—			—				—
Balance as of December 31, 2016
Goodwill	3,375				19			2,143				5,537
Accumulated impairment losses	(296		)		—			(1,877		)		(2,173		)
	3,079				19			266				3,364
Reclassifications and other (a)	3				—			8				11
Additions/reductions	4			(e)	33		(c)	(1		)		36
Impairment loss	—				—			—				—
Balance as of December 31, 2017
Goodwill	3,382				52			2,150				5,584
Accumulated impairment losses	(296		)		—			(1,877		)		(2,173		)
Total	$	3,086			$	52		$	273			$	3,411

(a) Represents the effects of foreign currency translations and reclassifications.

(b) Reflects a reduction from tax benefits generated by the deduction of goodwill amortization for tax purposes in the U.S.

(c) Reflects the acquisition and purchase price adjustments of the newly acquired pulp business.

(d) Reflects a reduction from tax benefits generated by the deduction of goodwill amortization for tax purposes in Brazil.

(e) Reflects the acquisition of the newly acquired Moroccan box plant.

Identifiable Intangible Assets [Table Text Block]

Identifiable intangible assets comprised the following:

	2017						2016
In millions at December 31	Gross Carrying Amount		Accumulated Amortization		Net Intangible Assets		Gross Carrying Amount		Accumulated Amortization		Net Intangible Assets
Customer relationships and lists	$	610	$	247	$	363	$	605	$	211	$	394
Non-compete agreements	72		72		—		69		64		5
Tradenames, patents and trademarks, and developed technology	172		72		100		173		56		117
Land and water rights	8		2		6		10		2		8
Software	24		23		1		21		20		1
Other	38		26		12		48		26		22
Total	$	924	$	442	$	482	$	926	$	379	$	547

Amortization Expense Of Intangible Assets [Table Text Block]

The Company recognized the following amounts as amortization expense related to intangible assets:

In millions	2017		2016		2015
Amortization expense related to intangible assets	$	77	$	54	$	60