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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Tables)
3 Months Ended
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Accounts and Notes Receivable Net
Accounts and notes receivable, net, by classification were:
In millions
March 31, 2022December 31, 2021
Accounts and notes receivable:
Trade
$451 $472 
Notes and other
32 18 
Total
$483 $490 
Schedule of Inventories
In millions
March 31, 2022December 31, 2021
Raw materials
$55 $49 
Finished paper and pulp products
215 189 
Operating supplies
97 95 
Other
9 
Total$376 $342 
Schedule of Interest Expense
Amounts related to interest were as follows:

Three Months Ended
March 31,
In millions
20222021
Interest expense$18 $— 
Interest income(2)—