The following table summarizes our Property, plant and equipment, net by asset type:
| | | | | | | | | | | | | | |
| | December 31, |
| (in millions) | | 2025 | | 2024 |
| Land and land improvements | | $ | 561 | | | $ | 561 | |
| Buildings and improvements (including leasehold improvements) | | 4,622 | | | 4,539 | |
| Laboratory and manufacturing equipment | | 1,241 | | | 1,192 | |
| Internal-use software | | 666 | | | 692 | |
| Other | | 466 | | | 397 | |
| Construction in progress | | 745 | | | 501 | |
| Subtotal | | 8,302 | | | 7,884 | |
| Less: accumulated depreciation | | 2,696 | | | 2,470 | |
| Total | | $ | 5,606 | | | $ | 5,414 | |
The following table summarizes our Property, plant and equipment, net by geography:
| | | | | | | | | | | | | | |
| | December 31, |
| (in millions) | | 2025 | | 2024 |
| U.S. | | $ | 4,975 | | | 4,787 | |
International(1) | | 631 | | | 627 | |
| Total | | $ | 5,606 | | | $ | 5,414 | |
_______________________________(1) All individual international locations accounted for less than 10% of the total balances.
The following table summarizes Depreciation expense:
| | | | | | | | | | | | | | | | | | | | |
| | Year Ended December 31, |
| (in millions) | | 2025 | | 2024 | | 2023 |
| Depreciation expense | | $ | 370 | | | $ | 381 | | | $ | 354 | |
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.