| Summary of intangible assets |
Intangible assets were comprised of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | | | | | | (Millions of dollars) | | | | Gross Carrying Amount1 | | Accumulated Amortization1 | | Net | | | | | | | | | Customer relationships | | | | $ | 2,012 | | | $ | (1,877) | | | $ | 135 | | | | | | | | | | Intellectual property | | | | 479 | | | (399) | | | 80 | | | | | | | | | | Other | | | | 117 | | | (91) | | | 26 | | | | | | | | | | Total finite-lived intangible assets | | | | $ | 2,608 | | | $ | (2,367) | | | $ | 241 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2024 | | | | | | | | | | | | Gross Carrying Amount | | Accumulated Amortization | | Net | | | | | | | | | Customer relationships | | | | $ | 2,220 | | | $ | (1,950) | | | $ | 270 | | | | | | | | | | Intellectual property | | | | 496 | | | (401) | | | 95 | | | | | | | | | | Other | | | | 117 | | | (83) | | | 34 | | | | | | | | | | Total finite-lived intangible assets | | | | $ | 2,833 | | | $ | (2,434) | | | $ | 399 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 For the year ended December 31, 2025, $248 million of intangible assets were fully amortized and have been removed. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| Summary of goodwill acquired |
The changes in carrying amount of goodwill by reportable segment for the years ended December 31, 2025 and 2024 were as follows:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | (Millions of dollars) | | December 31, 2024 | | | | | | | | Other Adjustments 1 | | December 31, 2025 | | Construction Industries | | | | | | | | | | | | | | Goodwill | | $ | 261 | | | | | | | | | $ | 3 | | | $ | 264 | | | Impairments | | (22) | | | | | | | | | — | | | (22) | | | Net goodwill | | 239 | | | | | | | | | 3 | | | 242 | | | Resource Industries | | | | | | | | | | | | | | Goodwill | | 4,124 | | | | | | | | | 37 | | | 4,161 | | | Impairments | | (1,175) | | | | | | | | | — | | | (1,175) | | | Net goodwill | | 2,949 | | | | | | | | | 37 | | | 2,986 | | | Power & Energy | | | | | | | | | | | | | | Goodwill | | 2,939 | | | | | | | | | 40 | | | 2,979 | | | Impairment | | (925) | | | | | | | | | — | | | (925) | | | Net goodwill | | 2,014 | | | | | | | | | 40 | | | 2,054 | | All Other 2 | | | | | | | | | | | | | | Goodwill | | 39 | | | | | | | | | — | | | 39 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated total | | | | | | | | | | | | | | Goodwill | | 7,363 | | | | | | | | | 80 | | | 7,443 | | | Impairments | | (2,122) | | | | | | | | | — | | | (2,122) | | | Net goodwill | | $ | 5,241 | | | | | | | | | $ | 80 | | | $ | 5,321 | | | | | | | | | | | | | | | | | December 31, 2023 | | | | | | | | Other Adjustments 1 | | December 31, 2024 | | Construction Industries | | | | | | | | | | | | | | Goodwill | | $ | 277 | | | | | | | | | $ | (16) | | | $ | 261 | | | Impairments | | (22) | | | | | | | | | — | | | (22) | | | Net goodwill | | 255 | | | | | | | | | (16) | | | 239 | | | Resource Industries | | | | | | | | | | | | | | Goodwill | | 4,151 | | | | | | | | | (27) | | | 4,124 | | | Impairments | | (1,175) | | | | | | | | | — | | | (1,175) | | | Net goodwill | | 2,976 | | | | | | | | | (27) | | | 2,949 | | | Power & Energy | | | | | | | | | | | | | | Goodwill | | 2,959 | | | | | | | | | (20) | | | 2,939 | | | Impairment | | (925) | | | | | | | | | — | | | (925) | | | Net goodwill | | 2,034 | | | | | | | | | (20) | | | 2,014 | | All Other 2 | | | | | | | | | | | | | | Goodwill | | 43 | | | | | | | | | (4) | | | 39 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Consolidated total | | | | | | | | | | | | | | Goodwill | | 7,430 | | | | | | | | | (67) | | | 7,363 | | | Impairments | | (2,122) | | | | | | | | | — | | | (2,122) | | | Net goodwill | | $ | 5,308 | | | | | | | | | $ | (67) | | | $ | 5,241 | | | | | | | | | | | | | | | 1 Other adjustments are comprised primarily of foreign currency translation. 2 Includes All Other Segment (See Note 23). | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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