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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant and equipment by major asset class consists of the following:
(Dollars in millions)September 30, 2024December 31, 2023
Land, buildings and improvements$372 $342 
Plant and machinery198 197 
Equipment and other354 334 
Total property, plant and equipment, at cost924 873 
Less accumulated depreciation(509)(471)
Total property, plant and equipment, net $415 $402