The following table displays the details of Property, plant and equipment, which is stated at cost:
(dollars in millions)
At December 31,Lives (years)20252024
Land-$743 $740 
Buildings and equipment
7 to 45
40,872 39,130 
Central office and other network equipment
3 to 15
180,506 176,680 
Antennas, cable, conduit, poles and towers
4 to 50
86,221 82,810 
Leasehold improvements
5 to 20
11,099 10,562 
Work in progress-8,493 9,424 
Furniture, vehicles and other
3 to 20
10,057 12,060 
337,991 331,406 
Less accumulated depreciation228,524 222,884 
Property, plant and equipment, net$109,467 $108,522 

Historical Timeline

Fiscal YearFiled
2025Feb 17, 2026Showing above
2024Feb 12, 2025
2023Feb 9, 2024
2022Feb 10, 2023
2021Feb 11, 2022
2020Feb 25, 2021
2019Feb 21, 2020
2018Feb 15, 2019
2017Feb 23, 2018
2016Feb 21, 2017
2015Feb 23, 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.