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Fair Value Measurements (Tables) | 9 Months Ended
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Oct. 04, 2025
Fair Value Disclosures [Abstract] |
Schedule of Financial Assets and Liabilities Measured at Fair Value | The following table summarizes information regarding Nucor’s financial assets and financial liabilities that were measured at fair value as of October 4, 2025 and December 31, 2024 (in millions). Nucor does not have any non-financial assets or non-financial liabilities that are measured at fair value on a recurring basis.
|  |  |  |  | Fair Value Measurements at Reporting Date Using |
Description |  | Carrying Amount in Condensed Consolidated Balance Sheets |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
As of October 4, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  | $ | 1,560 |  |  | $ | 1,560 |  |  | $ | - |  |  | $ | - |
Short-term investments |  |  | 524 |  |  |  | 524 |  |  |  | - |  |  |  | - |
Derivative contracts |  |  | 2 |  |  |  | - |  |  |  | 2 |  |  |  | - |
Other assets |  |  | 134 |  |  |  | 60 |  |  |  | - |  |  |  | 74 |
Total assets |  | $ | 2,220 |  |  | $ | 2,144 |  |  | $ | 2 |  |  | $ | 74 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Derivative contracts |  | $ | (5 | ) |  | $ | - |  |  | $ | (5 | ) |  | $ | - |
As of December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  | $ | 2,821 |  |  | $ | 2,821 |  |  | $ | - |  |  | $ | - |
Short-term investments |  |  | 581 |  |  |  | 581 |  |  |  | - |  |  |  | - |
Derivative contracts |  |  | 7 |  |  |  | - |  |  |  | 7 |  |  |  | - |
Other assets |  |  | 96 |  |  |  | 27 |  |  |  | - |  |  |  | 69 |
Total assets |  | $ | 3,505 |  |  | $ | 3,429 |  |  | $ | 7 |  |  | $ | 69 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Derivative contracts |  | $ | (4 | ) |  | $ | - |  |  | $ | (4 | ) |  | $ | - |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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