SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2020

Disclosure Text Block Supplement [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Accounts and Notes Receivable

In millions	September 30, 2020		December 31, 2019
Accounts and notes receivable, net:
Trade	$	2,789	$	3,020
Other	245		260
Total	$	3,034	$	3,280

Inventories [Table Text Block]

Inventories 

In millions	September 30, 2020		December 31, 2019
Raw materials	$	257	$	298
Finished pulp, paper and packaging	1,023		1,192
Operating supplies	638		659
Other	89		59
Total	$	2,007	$	2,208

Interest Income and Interest Expense Disclosure [Table Text Block]

Amounts related to interest were as follows: 

	Three Months Ended September 30,				Nine Months Ended September 30,
In millions	2020		2019		2020		2019
Interest expense	$	148	$	177	$	467	$	538
Interest income	36		54		122		160
Capitalized interest costs	9		7		27		21