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SUPPLEMENTAL FINANCIAL INFORMATION (Tables)
 3 Months Ended
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Allowance for Doubtful Accounts
Allowance for Doubtful Accounts
The following table is a summary of the changes in our allowance for doubtful accounts for the three months ended March 31, 2022 and 2021.
Three months ended
March 31,
(in millions)20222021
Balance at beginning of period$122 $125 
Charged to costs and expenses6 1 
Write-offs(1)— 
Currency translation adjustments2 (6)
Balance at end of period$129 $120 
Inventories Inventories
(in millions)March 31,
2022		December 31,
2021
Raw materials$656 $591 
Work in process285 300 
Finished goods1,607 1,562 
Inventories$2,548 $2,453 
Property, Plant and Equipment, Net Property, Plant and Equipment, Net
(in millions)March 31,
2022		December 31,
2021
Property, plant and equipment, at cost$11,757 $11,728 
Accumulated depreciation(6,643)(6,550)
Property, plant and equipment, net$5,114 $5,178 
Interest Expense, Net Interest Expense, Net
Three months ended
March 31,
(in millions)20222021
Interest expense, net of capitalized interest$88 $37 
Interest income(3)(3)
Interest expense, net$85 $34 
Other (Income) Expense, Net Other (Income) Expense, Net
Three months ended
March 31,
(in millions)20222021
Foreign exchange (gains) losses, net$(11)$(3)
Pension and other postretirement benefit plans(5)4 
Other, net— 4 
Other (income) expense, net$(16)$5