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PROPERTY, PLANT AND EQUIPMENT
 3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment PROPERTY, PLANT AND EQUIPMENT
Dollars in MillionsMarch 31,
2022		December 31,
2021
Land$168 $169 
Buildings5,941 5,897 
Machinery, equipment and fixtures3,306 3,252 
Construction in progress800 764 
Gross property, plant and equipment10,215 10,082 
Less accumulated depreciation(4,168)(4,033)
Property, plant and equipment$6,047 $6,049 

Depreciation expense was $145 million and $135 million for the three months ended March 31, 2022 and 2021, respectively.