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SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION
3 Months Ended
Mar. 31, 2021
Disclosure Text Block [Abstract]  
Supplementary Financial Statement Information
NOTE 2 - SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION
Allowance for Credit Losses
The following is a roll forward of our allowance for credit losses associated with Accounts receivable, net:
(In Millions)
20212020
Allowance for credit losses as of January 1$(5)$— 
Increase in allowance(1)(1)
Allowance for credit losses as of March 31$(6)$(1)
Inventories
The following table presents the detail of our Inventories in the Statements of Unaudited Condensed Consolidated Financial Position:
(In Millions)
March 31,
2021
December 31,
2020
Product inventories
Finished and semi-finished goods$2,296 $2,125 
Raw materials1,372 1,431 
Total product inventories3,668 3,556 
Manufacturing supplies and critical spares264 272 
Inventories$3,932 $3,828 
Cash Flow Information
A reconciliation of capital additions to cash paid for capital expenditures is as follows:
(In Millions)
Three Months Ended
March 31,
20212020
Capital additions$162 $158 
Less:
Non-cash accruals23 (10)
Right-of-use assets - finance leases3 30 
Cash paid for capital expenditures including deposits$136 $138 
Cash payments (receipts) for income taxes and interest are as follows:
(In Millions)
Three Months Ended
March 31,
20212020
Taxes paid on income$3 $— 
Income tax refunds(14)(60)
Interest paid on debt obligations net of capitalized interest1
75 30 
1 Capitalized interest was $1 million and $10 million for the three months ended March 31, 2021 and 2020, respectively.