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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
6 Months Ended
Jun. 30, 2021
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures Included in the line item "Other items, net" of the "Operating activities" section of the Unaudited Consolidated Statements of Cash Flows are the following changes to Unaudited Consolidated Statements of Financial Position:
(Dollars in millions)First Six Months
 20212020
Other current assets$(33)$11 
Other noncurrent assets
Payables and other current liabilities69 (7)
Long-term liabilities and equity62 61 
Total$106 $74