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PROPERTY, PLANT AND EQUIPMENT
 9 Months Ended
Sep. 30, 2023
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
The following table summarizes our property, plant and equipment at September 30, 2023 and December 31, 2022:
Millions of dollarsSeptember 30, 2023December 31, 2022
Land$30 $32 
Buildings876 862 
Machinery and equipment6,435 6,016 
Accumulated depreciation(5,191)(4,808)
Property, plant and equipment, net $2,150 $2,102 
During the nine months ended September 30, 2023, we disposed of land, buildings, machinery and equipment with a net book value of $11 million, compared to $21 million in the same period of 2022. The net gain on the disposals was not material for the nine months ended September 30, 2023. The net gain on the disposals of $55 million for the same period of 2022 was primarily driven by a sale-leaseback transaction in the first quarter of 2022.
For additional information see Note 1 to the Consolidated Condensed Financial Statements.