Supplementary Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Text Block Supplement [Abstract]

Accounts And Notes Receivable [Table Text Block]

Accounts and notes receivable, net, by classification were: 

In millions at December 31	2020		2019
Accounts and notes receivable:
Trade	$	2,776	$	3,020
Other	288		260
Total	$	3,064	$	3,280

Inventories By Major Category [Table Text Block]

In millions at December 31	2020		2019
Raw materials	$	268	$	298
Finished pulp, paper and packaging products	1,091		1,192
Operating supplies	627		659
Other	64		59
Inventories	$	2,050	$	2,208

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

In millions at December 31	2020		2019
Pulp, paper and packaging facilities	$	32,439	$	32,292
Other properties and equipment	1,156		1,224
Gross cost	33,595		33,516
Less: Accumulated depreciation	21,378		20,512
Plants, properties and equipment, net	$	12,217	$	13,004

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

Amounts related to interest were as follows: 

In millions	2020		2019		2018
Interest expense	$	600	$	706	$	734
Interest income	156		215		198
Capitalized interest costs	31		29		30