Supplementary Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Text Block Supplement [Abstract]

Accounts And Notes Receivable [Table Text Block]

Accounts and notes receivable, net of allowances, by classification were:

In millions at December 31	2017		2016
Accounts and notes receivable:
Trade	$	3,017	$	2,612
Other	270		240
Total	$	3,287	$	2,852

Inventories By Major Category [Table Text Block]

In millions at December 31	2017		2016
Raw materials	$	274	$	286
Finished pulp, paper and packaging products	1,337		1,231
Operating supplies	615		616
Other	87		100
Inventories	$	2,313	$	2,233

Plants, Properties And Equipment By Major Classification [Table Text Block]

In millions at December 31	2017		2016
Pulp, paper and packaging facilities	$	32,523	$	30,943
Other properties and equipment	1,291		1,308
Gross cost	33,814		32,251
Less: Accumulated depreciation	20,549		19,248
Plants, properties and equipment, net	$	13,265	$	13,003

Schedule of Other Income and Other Expense [Table Text Block]

Amounts related to interest were as follows:

In millions	2017		2016		2015
Interest expense (a)	$	758	$	695	$	644
Interest income (a)	186		175		89
Capitalized interest costs	25		28		25