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v3.20.4

Segments (Tables) | 12 Months Ended
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Dec. 31, 2020
Segment Reporting [Abstract] |
Segments | Nucor’s results by segment are as follows (in thousands):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net sales to external customers: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 12,109,307 |  |  | $ | 13,933,950 |  |  | $ | 16,245,218 |
Steel products |  |  | 6,623,068 |  |  |  | 6,990,064 |  |  |  | 6,796,501 |
Raw materials |  |  | 1,407,283 |  |  |  | 1,664,844 |  |  |  | 2,025,560 |
|  | $ | 20,139,658 |  |  | $ | 22,588,858 |  |  | $ | 25,067,279 |
Intercompany sales: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 3,036,790 |  |  | $ | 3,304,437 |  |  | $ | 3,924,160 |
Steel products |  |  | 248,477 |  |  |  | 233,728 |  |  |  | 207,003 |
Raw materials |  |  | 8,153,841 |  |  |  | 8,784,397 |  |  |  | 11,460,645 |
Corporate/eliminations |  |  | (11,439,108 | ) |  |  | (12,322,562 | ) |  |  | (15,591,808 | )
|  | $ | — |  |  | $ | — |  |  | $ | — |
Depreciation expense: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 449,290 |  |  | $ | 401,609 |  |  | $ | 378,146 |
Steel products |  |  | 93,184 |  |  |  | 85,276 |  |  |  | 80,681 |
Raw materials |  |  | 150,474 |  |  |  | 151,124 |  |  |  | 161,666 |
Corporate |  |  | 9,163 |  |  |  | 10,902 |  |  |  | 10,386 |
|  | $ | 702,110 |  |  | $ | 648,911 |  |  | $ | 630,879 |
Amortization expense: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 7,334 |  |  | $ | 8,624 |  |  | $ | 9,400 |
Steel products |  |  | 47,773 |  |  |  | 49,914 |  |  |  | 51,997 |
Raw materials |  |  | 28,249 |  |  |  | 27,204 |  |  |  | 27,361 |
|  | $ | 83,356 |  |  | $ | 85,742 |  |  | $ | 88,758 |
Earnings (loss) before income taxes and noncontrolling interests: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 720,151 |  |  | $ | 1,790,694 |  |  | $ | 3,500,085 |
Steel products |  |  | 690,547 |  |  |  | 511,145 |  |  |  | 467,105 |
Raw materials |  |  | 23,621 |  |  |  | (28,244 | ) |  |  | 236,241 |
Corporate/eliminations |  |  | (598,781 | ) |  |  | (490,788 | ) |  |  | (974,040 | )
|  | $ | 835,538 |  |  | $ | 1,782,807 |  |  | $ | 3,229,391 |
Segment assets: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 9,708,260 |  |  | $ | 9,283,216 |  |  | $ | 9,244,086 |
Steel products |  |  | 4,461,042 |  |  |  | 4,610,628 |  |  |  | 4,734,636 |
Raw materials |  |  | 3,324,489 |  |  |  | 3,316,479 |  |  |  | 3,492,126 |
Corporate/eliminations |  |  | 2,631,603 |  |  |  | 1,134,343 |  |  |  | 449,740 |
|  | $ | 20,125,394 |  |  | $ | 18,344,666 |  |  | $ | 17,920,588 |
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Steel mills |  | $ | 1,238,132 |  |  | $ | 1,133,089 |  |  | $ | 720,310 |
Steel products |  |  | 135,511 |  |  |  | 93,848 |  |  |  | 88,585 |
Raw materials |  |  | 125,213 |  |  |  | 244,818 |  |  |  | 169,926 |
Corporate |  |  | 28,259 |  |  |  | 40,315 |  |  |  | 18,435 |
|  | $ | 1,527,116 |  |  | $ | 1,512,070 |  |  | $ | 997,256 |
Schedule of Net Sale by Product to External Customers | Net sales by product were as follows (in thousands). Further product group breakdown is impracticable.
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net sales to external customers: |  |  |  |  |  |  |  |  |  |  |  |
Sheet |  | $ | 5,450,507 |  |  | $ | 6,450,506 |  |  | $ | 7,571,765 |
Bar |  |  | 3,821,158 |  |  |  | 4,106,640 |  |  |  | 4,709,292 |
Structural |  |  | 1,526,283 |  |  |  | 1,573,248 |  |  |  | 1,830,476 |
Plate |  |  | 1,311,360 |  |  |  | 1,803,556 |  |  |  | 2,133,685 |
Tubular Products |  |  | 1,113,582 |  |  |  | 1,207,398 |  |  |  | 1,347,577 |
Rebar Fabrication |  |  | 1,708,442 |  |  |  | 1,666,445 |  |  |  | 1,496,194 |
Other Steel Products |  |  | 3,801,045 |  |  |  | 4,116,221 |  |  |  | 3,952,730 |
Raw Materials |  |  | 1,407,283 |  |  |  | 1,664,844 |  |  |  | 2,025,560 |
|  | $ | 20,139,658 |  |  | $ | 22,588,858 |  |  | $ | 25,067,279 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
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