Analysis of Property, Plant and Equipment
Property, Plant and Equipment Disclosure
AT&T Inc., balance sheet: property, plant and equipment
US$ in millions
Based on: 10-K (reporting date: 2025-12-31), 10-K (reporting date: 2024-12-31), 10-K (reporting date: 2023-12-31), 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31).
An examination of the property, plant, and equipment disclosures reveals several noteworthy trends between 2021 and 2025. Overall, gross property, plant, and equipment increased from $329.488 billion to $350.914 billion before decreasing to $347.570 billion in the final year. However, changes in accumulated depreciation and amortization significantly impact the net book value.
- Land
- The value of land decreased substantially from $2.458 billion in 2021 to $1.370 billion in 2025. This represents a consistent, though gradual, decline over the five-year period, suggesting potential land sales or write-downs.
- Buildings and Improvements
- Buildings and improvements exhibited a generally increasing trend, rising from $39.306 billion in 2021 to $40.674 billion in 2025. The increase was not consistent year-over-year, but the overall direction indicates ongoing investment in building infrastructure.
- Central Office Equipment
- Central office equipment increased from $97.069 billion in 2021 to a peak of $101.607 billion in 2024, before experiencing a significant decrease to $87.496 billion in 2025. This substantial drop in the final year warrants further investigation, potentially indicating asset retirements or technological obsolescence.
- Cable, Wiring and Conduit
- Cable, wiring, and conduit demonstrated consistent growth, increasing from $79.961 billion in 2021 to $101.530 billion in 2025. This represents a significant investment in network infrastructure, likely driven by expansion or upgrades.
- Other Equipment
- Other equipment showed a fluctuating pattern. It decreased from $86.933 billion in 2021 to $81.761 billion in 2022, then increased to $90.853 billion in 2025. This suggests potential cyclical investment or replacement patterns.
- Software
- Software values remained relatively stable throughout the period, fluctuating between $17.640 billion and $17.942 billion. This indicates consistent investment in software assets without substantial growth or decline.
- Under Construction
- Assets under construction varied between $5.640 billion and $7.705 billion. The fluctuations suggest changes in the pace of capital projects.
- Accumulated Depreciation and Amortization
- Accumulated depreciation and amortization increased consistently from $203.584 billion in 2021 to $222.043 billion in 2024, before decreasing to $216.011 billion in 2025. The increase reflects the ongoing consumption of the economic benefits of the company’s assets. The decrease in 2025 may be attributable to asset disposals.
- Property, Plant and Equipment, Net
- Net property, plant, and equipment increased from $125.904 billion in 2021 to $131.559 billion in 2025. While gross assets increased, the net increase was moderated by the rising accumulated depreciation and amortization. The relatively stable net value suggests a balance between asset acquisition and depreciation.
In summary, the company demonstrates ongoing investment in its infrastructure, particularly in cable, wiring, and conduit. However, the significant decline in central office equipment in 2025 and the consistent decrease in land values require further scrutiny. The overall trend in net property, plant, and equipment suggests a stable asset base despite ongoing depreciation.
Asset Age Ratios (Summary)
AT&T Inc., asset age ratios
Based on: 10-K (reporting date: 2025-12-31), 10-K (reporting date: 2024-12-31), 10-K (reporting date: 2023-12-31), 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31).
The analysis of property, plant, and equipment reveals a generally stable asset profile over the observed period, with some subtle shifts in asset age metrics. The average age ratio fluctuates within a narrow range, while the estimated useful life and remaining life metrics demonstrate a planned reduction. These changes suggest a potential shift in asset replacement or depreciation strategies.
- Average Age Ratio
- The average age ratio exhibits minimal variation, beginning at 62.25% in 2021 and reaching 63.52% in 2024 before decreasing slightly to 62.39% in 2025. This indicates a consistent proportion of the asset base falling within the average age range. The slight increase peaking in 2024 warrants monitoring, but does not currently suggest a significant aging of the asset base.
- Estimated Total Useful Life
- The estimated total useful life of the assets decreased from 18 years in 2021-2023 to 17 years in 2024 and 2025. This reduction suggests a reassessment of the expected longevity of the asset base, potentially due to technological advancements, increased usage, or changes in maintenance practices. This change will likely impact future depreciation expense.
- Estimated Age & Remaining Life
- The estimated age, representing the time elapsed since purchase, remained constant at 11 years from 2021 to 2023, and then decreased to 10 years in 2025. Concurrently, the estimated remaining life decreased from 7 years between 2021 and 2023 to 6 years in 2024 and 2025. These movements are directly linked to the reduction in estimated total useful life. The decrease in remaining life, coupled with the reduced total useful life, implies a planned acceleration of asset replacement or a more aggressive depreciation schedule.
Overall, the observed trends suggest a deliberate adjustment to the asset lifecycle management strategy. While the average age ratio remains stable, the reduction in estimated useful life and remaining life indicates a potential shift towards a shorter asset lifespan, which could have implications for capital expenditure planning and future financial performance.
Average Age
Based on: 10-K (reporting date: 2025-12-31), 10-K (reporting date: 2024-12-31), 10-K (reporting date: 2023-12-31), 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31).
2025 Calculations
1 Average age = 100 × Accumulated depreciation and amortization ÷ (Property, plant and equipment, gross – Land)
= 100 × 216,011 ÷ (347,570 – 1,370) = 62.39%
An examination of the financial information reveals trends in property, plant, and equipment, alongside associated accumulated depreciation and amortization. Gross property, plant, and equipment exhibited a generally increasing pattern over the period, while accumulated depreciation and amortization also increased, though with some fluctuation. The average age ratio demonstrated a slight upward trend overall.
- Gross Property, Plant, and Equipment
- The gross value of property, plant, and equipment remained relatively stable between 2021 and 2022, at approximately US$330 billion. A noticeable increase occurred between 2022 and 2023, reaching US$339.9 billion, followed by further growth to US$350.9 billion in 2024. A slight decrease to US$347.6 billion was observed in 2025, but the value remained above the 2023 level.
- Accumulated Depreciation and Amortization
- Accumulated depreciation and amortization decreased slightly from US$203.6 billion in 2021 to US$202.2 billion in 2022. Subsequently, it increased to US$211.4 billion in 2023 and continued to rise to US$222.0 billion in 2024. A decrease to US$216.0 billion was recorded in 2025, though it remained higher than in 2021 and 2022.
- Land
- The reported value of land decreased significantly from US$2.5 billion in 2021 to US$1.4 billion in 2022. The value remained relatively constant between 2022 and 2025, fluctuating minimally around US$1.38 billion. This suggests no significant land acquisitions or revaluations occurred during this period.
- Average Age Ratio
- The average age ratio, expressed as a percentage, showed a modest increase from 62.25% in 2021 to 63.52% in 2024. The ratio decreased slightly in 2025 to 62.39%, but remained above the initial value in 2021. This indicates a gradual aging of the property, plant, and equipment base over the observed timeframe, despite ongoing investments reflected in the gross value.
The increases in both gross property, plant, and equipment and accumulated depreciation and amortization suggest continued investment in assets alongside their ongoing consumption. The slight increase in the average age ratio warrants monitoring to assess potential impacts on future maintenance costs and asset replacement needs.
Estimated Total Useful Life
Based on: 10-K (reporting date: 2025-12-31), 10-K (reporting date: 2024-12-31), 10-K (reporting date: 2023-12-31), 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31).
2025 Calculations
1 Estimated total useful life = (Property, plant and equipment, gross – Land) ÷ Depreciation expense
= (347,570 – 1,370) ÷ 20,746 = 17
Over the five-year period, property, plant, and equipment, gross experienced a general upward trend, increasing from US$329,488 million in 2021 to US$350,914 million in 2024 before decreasing to US$347,570 million in 2025. Land holdings decreased significantly from 2021 to 2022, and remained relatively stable thereafter. Depreciation expense exhibited an increasing trend throughout the period, rising from US$18,629 million in 2021 to US$20,746 million in 2025. A notable change is observed in the estimated total useful life of the assets, decreasing from 18 years in 2021-2023 to 17 years in 2024 and 2025.
- Gross Property, Plant, and Equipment
- The gross value of property, plant, and equipment increased by approximately 6.8% between 2021 and 2024, suggesting investment in new assets. The subsequent decrease in 2025, however, warrants further investigation to determine if it is due to disposals, impairments, or reclassifications.
- Land Holdings
- The substantial reduction in land value from 2021 to 2022 is a significant change. The stabilization in subsequent years suggests that no further major land transactions occurred. The reason for the initial decrease should be examined.
- Depreciation Expense
- The consistent increase in depreciation expense aligns with the growth in gross property, plant, and equipment. However, the rate of increase in depreciation expense appears to be accelerating, particularly between 2023 and 2025, potentially indicating a higher proportion of newer, more depreciable assets being put into service.
- Estimated Useful Life
- The reduction in the estimated total useful life from 18 to 17 years in 2024 and 2025 is a key observation. This change will result in higher depreciation expense in future periods, all else being equal. The reason for this revision in estimated useful life should be understood, as it could reflect changes in technology, usage patterns, or regulatory requirements. This change will impact future profitability metrics.
Estimated Age, Time Elapsed since Purchase
Based on: 10-K (reporting date: 2025-12-31), 10-K (reporting date: 2024-12-31), 10-K (reporting date: 2023-12-31), 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31).
2025 Calculations
1 Time elapsed since purchase = Accumulated depreciation and amortization ÷ Depreciation expense
= 216,011 ÷ 20,746 = 10
Analysis reveals a complex pattern in the reported figures for accumulated depreciation and amortization, alongside depreciation expense, over the five-year period. While accumulated depreciation generally increased, fluctuations were observed, and the reported time elapsed since purchase decreased in the final year.
- Accumulated Depreciation and Amortization
- Accumulated depreciation and amortization decreased from US$203,584 million in 2021 to US$202,185 million in 2022, representing a slight decline. This was followed by an increase to US$211,402 million in 2023 and a further increase to US$222,043 million in 2024, indicating accelerating depreciation. However, in 2025, accumulated depreciation decreased to US$216,011 million. This final decrease could be attributable to asset disposals, reclassifications, or changes in estimated useful lives.
- Depreciation Expense
- Depreciation expense exhibited a decreasing trend from US$18,629 million in 2021 to US$17,852 million in 2022. It then increased to US$18,593 million in 2023 and continued to rise to US$20,421 million in 2024. The expense further increased to US$20,746 million in 2025, demonstrating a consistent upward trend over the latter part of the period. This increase in depreciation expense aligns with the increasing accumulated depreciation observed in 2023 and 2024.
- Time Elapsed Since Purchase
- The reported time elapsed since purchase remained constant at 11 years from 2021 to 2024. A decrease to 10 years was reported in 2025. This suggests a significant acquisition of new property, plant, and equipment in 2025, effectively resetting the average age of the asset base. Alternatively, it could indicate a revision in the methodology for calculating the time elapsed since purchase.
The combination of increasing depreciation expense and fluctuating accumulated depreciation suggests ongoing investment in property, plant, and equipment, coupled with potential asset retirements or revaluations. The decrease in reported time elapsed since purchase in 2025 warrants further investigation to understand the underlying cause and its potential impact on future depreciation expense and asset values.
Estimated Remaining Life
Based on: 10-K (reporting date: 2025-12-31), 10-K (reporting date: 2024-12-31), 10-K (reporting date: 2023-12-31), 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31).
2025 Calculations
1 Estimated remaining life = (Property, plant and equipment, net – Land) ÷ Depreciation expense
= (131,559 – 1,370) ÷ 20,746 = 6
Property, plant, and equipment, net exhibited a generally increasing trend over the five-year period, rising from US$125,904 million in 2021 to US$131,559 million in 2025. Land, however, decreased significantly from US$2,458 million in 2021 to US$1,370 million in 2025, indicating potential asset sales or reclassifications. Depreciation expense fluctuated throughout the period, with an initial decrease followed by increases in the later years. The estimated remaining life of the property, plant, and equipment decreased from seven years to six years between 2024 and 2025.
- Property, Plant, and Equipment (Net)
- The net value of property, plant, and equipment increased consistently, except for a minimal increase between 2023 and 2024. This suggests ongoing investment in fixed assets, potentially offsetting accumulated depreciation. The increase from 2024 to 2025 was more substantial, reaching US$2,688 million, which could indicate a significant capital expenditure program.
- Land
- A substantial decline in the value of land is apparent. The reduction of over US$1 billion from 2021 to 2025 warrants further investigation. This decrease could be due to sales of land holdings, revaluation of land assets, or adjustments related to impairments. The rate of decline slowed between 2022 and 2025.
- Depreciation Expense
- Depreciation expense decreased from 2021 to 2022, then increased in subsequent years. The increase from 2023 to 2025, totaling US$2,153 million, correlates with the increasing net value of property, plant, and equipment, and potentially reflects the addition of new depreciable assets. The rising depreciation expense also suggests a potential impact on future earnings if asset additions do not generate commensurate revenue increases.
- Estimated Remaining Life
- The estimated remaining life decreased from seven years to six years in 2025. This reduction could be due to a reassessment of asset useful lives, potentially reflecting technological obsolescence or increased wear and tear. A shorter remaining life will result in higher depreciation expense in future periods, all else being equal.
The combination of increasing net property, plant, and equipment, rising depreciation expense, decreasing land value, and a shortened estimated remaining life suggests a dynamic asset base undergoing change. Further investigation into the specific drivers behind these trends is recommended.