A summary of plant and equipment, including the related accumulated depreciation, appears below:
 Jun. 28, 2025Jun. 29, 2024Estimated Useful Lives
 (In millions) 
Plant and equipment at cost:   
Land$492 $490  
Buildings and improvements6,217 5,976 
10-30 years
Fleet and equipment5,170 4,788 
3-13 years
Computer hardware and software2,085 1,769 
3-5 years
Total plant and equipment at cost13,964 13,023  
Accumulated depreciation(7,880)(7,526) 
Total plant and equipment, net$6,084 $5,497  

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.