Property, plant and equipment consisted of the following (in millions):
 September 30,
 20252024
Buildings and improvements$1,095 $1,033 
Subscriber systems989 973 
Machinery and equipment3,597 3,374 
Construction in progress382 418 
Land47 48 
Total property, plant and equipment6,110 5,846 
Less: Accumulated depreciation(3,917)(3,443)
Property, plant and equipment - net$2,193 $2,403 

Historical Timeline

Fiscal YearFiled
2025Nov 14, 2025Showing above
2024Nov 19, 2024
2023Dec 14, 2023
2022Nov 15, 2022
2021Nov 15, 2021
2020Nov 16, 2020
2019Nov 21, 2019
2018Nov 20, 2018
2017Nov 21, 2017
2016Nov 23, 2016
2015Nov 13, 2015

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.