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Properties, Plants, and Equipment, Net
 12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Properties, Plants, and Equipment, Net Properties, Plants, and Equipment, Net
December 31, 2023December 31, 2022
Land and land rights$88 $84 
Structures1,018 986 
Machinery and equipment4,079 3,941 
5,185 5,011 
Less: accumulated depreciation and amortization3,081 2,858 
2,104 2,153 
Construction work-in-progress224 179 
Properties, plants, and equipment, net$2,328 $2,332 
The proceeds from the sale of the corporate headquarters in Pittsburgh, PA in June 2022 were $44, excluding $3 of transaction costs, and the carrying value at the time of sale was $41. A loss of less than $1 was recorded in Restructuring and other charges in the Statement of Consolidated Operations upon finalization of the sale in the second quarter of 2022. The Company entered into a 12-year lease with the purchaser for a portion of the property.
Depreciation expense related to Properties, plants, and equipment recorded in Provision for depreciation and amortization in the Statement of Consolidated Operations was $236, $227, and $232 for the years ended December 31, 2023, 2022, and 2021, respectively