The following table shows the estimated useful lives used for property, equipment and software:

ClassificationEstimated Useful Lives
Computers and equipment
5 to 7 years
Software
3 years
Furniture and fixtures
7 years
Buildings and leasehold improvements
2 to 39 years
Property, equipment and software, net, consisted of the following: 
(In millions)December 31,
2024
December 31,
2025
Computers and equipment$1,142.9 $1,114.5 
Software448.1 428.6 
Furniture and fixtures10.2 7.3 
Buildings and leasehold improvements409.7 416.6 
Property, equipment and software, at cost2,010.9 1,967.0 
Less: Accumulated depreciation(1,420.7)(1,377.7)
Work in process10.8 7.0 
Property, equipment and software, net$601.0 $596.3 
The table below presents depreciation expense included in segment operating profit above for the years ended December 31, 2023, 2024 and 2025.

Year Ended December 31,
(In millions)202320242025
Public Cloud$9.2 $7.0 $6.9 
Private Cloud171.3 115.1 124.1 
Corporate functions28.2 19.2 20.4 
    Total depreciation expense$208.7 $141.3 $151.4 

Historical Timeline

Fiscal YearFiled
2025Mar 6, 2026Showing above
2024Mar 21, 2025
2023Mar 15, 2024
2022Mar 16, 2023
2021Mar 1, 2022
2020Feb 26, 2021

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.