Property, Plant and Equipment—The components of property, plant and equipment, at cost, and the related accumulated depreciation are as follows at December 31:
Millions of dollarsEstimated Useful Life (years)20252024
Land$292 $280 
Major manufacturing equipment2515,009 14,303 
Buildings302,629 2,508 
Light equipment and instrumentation5-203,957 3,471 
Office furniture1536 21 
Major turnarounds4-72,085 1,803 
Information system equipment3-560 70 
Construction in progress1,734 1,718 
Total property, plant and equipment25,802 24,174 
Less accumulated depreciation(9,969)(9,108)
Property, plant and equipment, net$15,833 $15,066 

Historical Timeline

Fiscal YearFiled
2025Feb 20, 2026Showing above
2024Feb 27, 2025
2023Feb 22, 2024
2022Feb 23, 2023
2021Feb 24, 2022
2020Feb 25, 2021
2019Feb 20, 2020
2018Feb 21, 2019
2017Feb 22, 2018
2016Feb 17, 2017
2015Feb 16, 2016

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.