SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2021

Disclosure Text Block Supplement [Abstract]

Restrictions on Cash and Cash Equivalents

A reconciliation of cash and temporary investments and restricted cash in the consolidated balance sheet to cash and temporary investments and restricted cash in the consolidated statement of cash flows for the nine months ended September 30, 2021 and 2020 is as follows:

	Nine Months Ended September 30,
In millions	2021		2020
Cash and Temporary Investments	$	2,122	$	678
Restricted Cash	1,499		—
Total Cash and Temporary Investments and Restricted Cash	$	3,621	$	678

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

Accounts and Notes Receivable

In millions	September 30, 2021		December 31, 2020
Accounts and notes receivable, net:
Trade	$	3,222	$	2,776
Other	327		288
Total	$	3,549	$	3,064

Inventories [Table Text Block]

Inventories 

In millions	September 30, 2021		December 31, 2020
Raw materials	$	241	$	268
Finished pulp, paper and packaging	1,156		1,091
Operating supplies	569		627
Other	87		64
Total	$	2,053	$	2,050

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	2021		2020		2021		2020
Interest expense	$	117	$	148	$	358	$	467
Interest income	24		36		116		122
Capitalized interest costs	3		9		8		27