XML 19 R12.htm IDEA: XBRL DOCUMENT
v3.25.3

Goodwill and Other Intangible Assets | 9 Months Ended
--- | ---
Oct. 04, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | 4. Goodwill and Other Intangible Assets The change in the net carrying amount of goodwill for the nine months ended October 4, 2025 by segment was as follows (in millions):
|  | Steel Mills |  |  | Steel Products |  |  | Raw Materials |  |  | Total |
Balance at December 31, 2024 |  | $ | 675 |  |  | $ | 2,816 |  |  | $ | 797 |  |  | $ | 4,288 |
Acquisitions |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Translation/Other |  |  | - |  |  |  | 6 |  |  |  | - |  |  |  | 6 |
Balance at October 4, 2025 |  | $ | 675 |  |  | $ | 2,822 |  |  | $ | 797 |  |  | $ | 4,294 |
Nucor completed its most recent annual goodwill impairment testing as of the first day of the fourth quarter of 2024 and concluded that as of such date there was no impairment of goodwill for any of its reporting units. Intangible assets with estimated useful lives of five to 25 years are amortized on a straight-line or accelerated basis and consisted of the following as of October 4, 2025 and December 31, 2024 (in millions):
|  | October 4, 2025 |  |  | December 31, 2024 |
|  | Gross Amount |  |  | Accumulated Amortization |  |  | Gross Amount |  |  | Accumulated Amortization |
Customer relationships |  | $ | 4,444 |  |  | $ | 1,681 |  |  | $ | 4,444 |  |  | $ | 1,512 |
Trademarks and trade names |  |  | 374 |  |  |  | 201 |  |  |  | 387 |  |  |  | 192 |
Other |  |  | 142 |  |  |  | 135 |  |  |  | 129 |  |  |  | 122 |
|  | $ | 4,960 |  |  | $ | 2,017 |  |  | $ | 4,960 |  |  | $ | 1,826 |
Intangible asset amortization expense in the third quarter of 2025 and 2024 was $63 million and $69 million, respectively, and $191 million and $189 million in the first nine months of 2025 and 2024, respectively. Annual amortization expense is estimated to be $254 million in 2025; $248 million in 2026; $242 million in 2027; $219 million in 2028; and $198 million in 2029.

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration