Stock Analysis on Net

International Business Machines Corp. (NYSE:IBM)

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Analysis of Property, Plant and Equipment

Microsoft Excel

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Property, Plant and Equipment Disclosure

International Business Machines Corp., balance sheet: property, plant and equipment

US$ in millions

Microsoft Excel
Dec 31, 2025 Dec 31, 2024 Dec 31, 2023 Dec 31, 2022 Dec 31, 2021
Land and land improvements
Buildings and building and leasehold improvements
Information technology equipment
Production, engineering, office and other equipment
Rental machines
Property, plant and equipment, gross
Accumulated depreciation
Property, plant and equipment, net

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).


Overall, the reported property, plant, and equipment demonstrates a general trend of decreasing gross values offset by decreasing accumulated depreciation, resulting in a relatively stable net book value over the five-year period. Significant shifts are observed within the individual components of gross PP&E.

Land and Land Improvements
Land and land improvements experienced a consistent decline from US$224 million in 2021 to US$182 million in 2023, holding steady at that level through 2025. This suggests potential disposals of land or reductions in the carrying value of land improvements.
Buildings and Building and Leasehold Improvements
Buildings and building and leasehold improvements exhibited a notable decrease, moving from US$6,049 million in 2021 to US$4,807 million in 2025. The rate of decline slowed in the later years, indicating a potential stabilization of building-related assets. This decrease could be due to asset disposals, impairment charges, or a shift in investment strategy.
Information Technology Equipment
Information technology equipment also showed a decreasing trend, declining from US$10,515 million in 2021 to US$8,885 million in 2025. This is consistent with the rapid depreciation and obsolescence often associated with IT assets, and potentially reflects a move towards cloud-based solutions or other technological shifts.
Production, Engineering, Office and Other Equipment
In contrast to the other categories, production, engineering, office and other equipment increased from US$3,222 million in 2021 to US$4,000 million in 2025. This suggests increased investment in these areas, potentially driven by expansion or modernization efforts. The increase was most pronounced between 2023 and 2025.
Gross Property, Plant and Equipment
The gross value of property, plant, and equipment decreased from US$20,084 million in 2021 to US$17,690 million in 2024, before a slight increase to US$17,874 million in 2025. This overall decline is primarily driven by the decreases in buildings and information technology equipment.
Accumulated Depreciation
Accumulated depreciation consistently decreased from US$14,390 million in 2021 to US$11,959 million in 2024, then increased slightly to US$11,975 million in 2025. The consistent decline reflects the ongoing depreciation of assets, while the slight increase in 2025 may indicate a slowing of disposals or a change in depreciation methods.
Net Property, Plant and Equipment
The net value of property, plant, and equipment remained relatively stable, increasing from US$5,694 million in 2021 to US$5,899 million in 2025. This stability is a result of the offsetting effects of decreasing gross PP&E and decreasing accumulated depreciation. The slight increase in net PP&E in the later years suggests that investments in production, engineering, office and other equipment are beginning to outweigh the declines in other asset categories.

Asset Age Ratios (Summary)

International Business Machines Corp., asset age ratios

Microsoft Excel
Dec 31, 2025 Dec 31, 2024 Dec 31, 2023 Dec 31, 2022 Dec 31, 2021
Average age ratio
Estimated total useful life (years)
Estimated age, time elapsed since purchase (years)
Estimated remaining life (years)

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 analysis of property, plant, and equipment age ratios reveals a consistent pattern over the five-year period. The average age ratio demonstrates a declining trend, while the estimated useful life and age since purchase exhibit relative stability before a slight shift in the final year. These factors collectively suggest a potential rejuvenation of the asset base, or a change in asset composition.

Average Age Ratio
The average age ratio decreased steadily from 72.46% in 2021 to 67.69% in 2025. This indicates that, as a percentage of total PP&E, a smaller proportion consists of older assets over time. The most significant decrease occurred between 2021 and 2023, followed by more moderate declines in subsequent years.
Estimated Total Useful Life
The estimated total useful life remained consistent at 8 years for the majority of the period, fluctuating between 5 and 9 years. A decrease to 8 years is observed in 2025, aligning with the trend in the average age ratio. This could indicate a recalibration of depreciation schedules or the introduction of assets with shorter expected lifespans.
Estimated Age Since Purchase
The estimated age since purchase remained relatively stable at 6 years from 2022 to 2024, increasing from 4 years in 2021. A decrease to 5 years in 2025 suggests recent acquisitions of newer assets, contributing to the observed decline in the average age ratio.
Estimated Remaining Life
The estimated remaining life increased from 1 year in 2021 to 3 years in 2023 and 2024, before remaining at 3 years in 2025. This lengthening of remaining life, concurrent with the decreasing average age ratio, suggests that newer assets are being added to the asset base, offsetting the depreciation of older assets. The stabilization at 3 years in the latter years indicates a more balanced asset profile.

In summary, the observed trends suggest a dynamic asset management strategy. The declining average age ratio, coupled with the increasing and then stabilizing remaining useful life, points to ongoing investment in newer property, plant, and equipment. Further investigation into the nature of these asset additions and any changes in depreciation policies would provide a more comprehensive understanding of these trends.


Average Age

Microsoft Excel
Dec 31, 2025 Dec 31, 2024 Dec 31, 2023 Dec 31, 2022 Dec 31, 2021
Selected Financial Data (US$ in millions)
Accumulated depreciation
Property, plant and equipment, gross
Land and land improvements
Asset Age Ratio
Average age1

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 ÷ (Property, plant and equipment, gross – Land and land improvements)
= 100 × ÷ () =


An examination of the financial information reveals trends in property, plant, and equipment, alongside associated depreciation. Gross property, plant, and equipment decreased consistently from 2021 to 2024, before experiencing a slight increase in 2025. Accumulated depreciation also decreased each year from 2021 to 2023, then slowed its rate of decline in 2024 and 2025. Land and land improvements experienced a consistent decrease from 2021 to 2023, followed by stabilization in 2024 and a minor increase in 2025.

Gross Property, Plant, and Equipment
The value of gross property, plant, and equipment decreased from US$20,084 million in 2021 to US$17,690 million in 2024, representing a cumulative decline of approximately 12%. The value then increased slightly to US$17,874 million in 2025. This suggests potential asset disposals or impairments over the period, with a possible stabilization or reinvestment in 2025.
Accumulated Depreciation
Accumulated depreciation decreased from US$14,390 million in 2021 to US$11,959 million in 2024, a reduction of roughly 17%. The rate of decrease slowed in 2025, with accumulated depreciation reaching US$11,975 million. This decrease is consistent with the decline in gross property, plant, and equipment, but the slowing rate of decline in later years may indicate a shift in depreciation patterns or reduced asset disposals.
Land and Land Improvements
Land and land improvements decreased from US$224 million in 2021 to US$182 million in 2023. The value remained stable at US$179 million in 2024 and increased slightly to US$182 million in 2025. This suggests potential land sales in the earlier part of the period, followed by a stabilization of land holdings.
Average Age Ratio
The average age ratio, expressed as a percentage, exhibited a consistent downward trend from 72.46% in 2021 to 67.69% in 2025. This indicates that, on average, the property, plant, and equipment base is becoming newer over time. The decreasing ratio aligns with the decreasing accumulated depreciation and suggests a potential focus on replacing or upgrading assets.

Overall, the information suggests a period of asset reduction followed by potential stabilization and reinvestment. The decreasing average age ratio indicates a trend towards a more modern asset base.


Estimated Total Useful Life

Microsoft Excel
Dec 31, 2025 Dec 31, 2024 Dec 31, 2023 Dec 31, 2022 Dec 31, 2021
Selected Financial Data (US$ in millions)
Property, plant and equipment, gross
Land and land improvements
Depreciation expense
Asset Age Ratio (Years)
Estimated total useful life1

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 and land improvements) ÷ Depreciation expense
= () ÷ =


The gross value of property, plant, and equipment exhibited a general decline over the five-year period, decreasing from US$20,084 million in 2021 to US$17,874 million in 2025. Land and land improvements also decreased, though at a slower rate, moving from US$224 million to US$182 million over the same timeframe. Depreciation expense fluctuated, initially decreasing significantly from US$3,888 million in 2021 to US$2,109 million in 2023, before increasing to US$2,284 million in 2025. A notable change is observed in the estimated total useful life of assets.

Gross Property, Plant, and Equipment
A consistent, albeit moderating, decrease in the gross value of property, plant, and equipment is apparent. The largest reduction occurred between 2021 and 2022, with subsequent annual declines being less pronounced. The slight increase in 2025 suggests potential reinvestment or revaluation activity offsetting ongoing depreciation.
Land and Land Improvements
The value of land and land improvements experienced a steady, gradual reduction throughout the period. This decrease is less substantial than that of the overall property, plant, and equipment, indicating that disposals or impairments of land were not a primary driver of the overall decline.
Depreciation Expense
Depreciation expense demonstrated a significant decrease in the initial years, followed by a period of relative stability and a subsequent increase. The initial decrease likely reflects a reduction in the asset base or changes in depreciation methods. The later increase could be attributable to new asset acquisitions or a revision of useful life estimates.
Estimated Total Useful Life
The estimated total useful life of assets underwent a substantial shift. It began at 5 years in 2021, increased to 8 years in 2022, peaked at 9 years in 2023, and then stabilized at 8 years for 2024 and 2025. This suggests a reassessment of asset longevity, potentially due to technological advancements, improved maintenance practices, or changes in accounting policies. The initial low estimate may have reflected rapid obsolescence, while the subsequent increases indicate a revised expectation of longer-term asset utility.

The interplay between decreasing gross asset values and fluctuating depreciation expense, coupled with the changing estimated useful life, warrants further investigation to understand the underlying capital expenditure strategy and asset management practices.


Estimated Age, Time Elapsed since Purchase

Microsoft Excel
Dec 31, 2025 Dec 31, 2024 Dec 31, 2023 Dec 31, 2022 Dec 31, 2021
Selected Financial Data (US$ in millions)
Accumulated depreciation
Depreciation expense
Asset Age Ratio (Years)
Time elapsed since purchase1

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 ÷ Depreciation expense
= ÷ =


An examination of the provided financial information reveals notable trends in accumulated depreciation, depreciation expense, and the reported time elapsed since purchase. Accumulated depreciation demonstrates a consistent decline over the observed period, decreasing from US$14,390 million in 2021 to US$11,975 million in 2025. However, the rate of decrease slowed between 2024 and 2025.

Depreciation expense also exhibits a decreasing trend, falling from US$3,888 million in 2021 to US$2,284 million in 2025. The most significant reduction in depreciation expense occurred between 2021 and 2022. The decline moderated in subsequent years, with a slight increase observed between 2023 and 2024.

Accumulated Depreciation Trend
The consistent decrease in accumulated depreciation suggests that the rate of asset consumption, as reflected by depreciation, is slowing. This could be due to a shift in the asset base towards newer, longer-lived assets, or a change in depreciation methods. The stabilization in the decline between 2024 and 2025 warrants further investigation.
Depreciation Expense Trend
The declining depreciation expense generally aligns with the decrease in accumulated depreciation. A lower depreciation expense positively impacts reported earnings. The slight increase in 2024 could indicate the introduction of new depreciable assets or a revision of estimated useful lives.
Time Elapsed Since Purchase
The reported time elapsed since purchase initially increases from four years in 2021 to six years in 2022 and remains at six years through 2024. A decrease to five years in 2025 suggests the acquisition of significant new assets during that period, effectively resetting the average age of the asset base. This aligns with the potential reasons for the increase in depreciation expense in 2024.
Relationship Between Metrics
The interplay between these three metrics suggests a dynamic asset lifecycle. The initial decline in accumulated depreciation and depreciation expense likely reflects the continued depreciation of existing assets. The subsequent stabilization and the decrease in time elapsed since purchase in 2025 indicate a renewal of the asset base through new acquisitions. Further analysis, including a review of capital expenditure schedules, would provide a more comprehensive understanding of these trends.

In summary, the observed trends suggest a managed depreciation process coupled with periodic asset renewal. The slowing decline in accumulated depreciation and the slight increase in depreciation expense in 2024, alongside the reduced time elapsed since purchase in 2025, merit continued monitoring to assess their impact on future financial performance.


Estimated Remaining Life

Microsoft Excel
Dec 31, 2025 Dec 31, 2024 Dec 31, 2023 Dec 31, 2022 Dec 31, 2021
Selected Financial Data (US$ in millions)
Property, plant and equipment, net
Land and land improvements
Depreciation expense
Asset Age Ratio (Years)
Estimated remaining life1

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 and land improvements) ÷ Depreciation expense
= () ÷ =


The net value of property, plant, and equipment exhibited volatility over the five-year period, beginning at US$5,694 million in 2021, decreasing to US$5,334 million in 2022, and then generally increasing to US$5,899 million by 2025. Land and land improvements consistently decreased from US$224 million in 2021 to US$182 million in 2023, remaining stable at that level through 2025. Depreciation expense demonstrated a significant decline from US$3,888 million in 2021 to US$2,407 million in 2022, followed by a gradual increase to US$2,284 million in 2025. The estimated remaining life of these assets increased from one year in 2021 to three years in 2023 and remained constant through 2025.

Net Property, Plant, and Equipment
The initial decrease in net property, plant, and equipment in 2022 suggests potential asset disposals or impairments exceeding acquisitions. The subsequent increases from 2023 through 2025 indicate a return to investment in fixed assets, potentially through purchases or reduced depreciation impacting the net book value.
Land and Land Improvements
The consistent decline in land and land improvements suggests potential sales of these assets or reclassification to other asset categories. The stabilization at US$182 million from 2023 onwards indicates a cessation of significant land-related transactions.
Depreciation Expense
The substantial reduction in depreciation expense in 2022 is noteworthy. This could be attributed to asset disposals, a change in depreciation methods, or a decrease in the asset base subject to depreciation. The subsequent moderate increases may reflect new asset additions or adjustments to depreciation rates. The increase in depreciation expense from 2024 to 2025 is relatively consistent.
Estimated Remaining Life
The increase in estimated remaining life from one year to three years between 2021 and 2023 is a significant indicator. This suggests a reassessment of the useful lives of the asset base, potentially due to technological upgrades extending asset usability, or a change in accounting policy. Maintaining a consistent three-year remaining life from 2023 to 2025 implies a stable depreciation policy and asset utilization outlook.

The interplay between decreasing depreciation expense and increasing estimated remaining life suggests a potential shift in how the company views the long-term value and usability of its fixed assets. Further investigation into the specific assets affected by these changes would be beneficial.