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LEASES (Tables)
 9 Months Ended
Sep. 30, 2021
Leases [Abstract]  
Schedule of Supplemental Balance Sheet Information Related To Leases
Supplemental Balance Sheet Information Related to Leases
In millions
Classification
September 30, 2021December 31, 2020
Assets
Operating lease assets
Right of use assets$43 $46 
Finance lease assets
Plants, properties, and equipment, net (a)
30 33 
Total leased assets
$73 $79 
Liabilities
Current
Operating
Other current liabilities$16 $14 
Finance
Notes payable and current maturities of long-term debt2 2 
Noncurrent
Operating
Other Liabilities27 32 
Finance
Long-term debt18 21 
Total lease liabilities
$63 $69 
(a)Finance leases are recorded net of accumulated amortization of $13 million and $10 million as of September 30, 2021 and December 31, 2020, respectively.