Basis of Interim Presentation	3 Months Ended
Mar. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Interim Presentation	1. Basis of Interim Presentation The information furnished in this Item 1 reflects all adjustments which are, in the opinion of management, necessary to a fair statement of the results for the interim periods presented and are of a normal and recurring nature unless otherwise noted. The information furnished has not been audited; however, the December 31, 2023 condensed consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by accounting principles generally accepted in the United States of America. The unaudited condensed consolidated financial statements included in this Item 1 should be read in conjunction with the audited consolidated financial statements and the notes thereto included in Nucor’s Annual Report on Form 10-K for the year ended December 31, 2023. Recent Accounting Pronouncements In November 2023, new accounting guidance was issued that updates reportable segment disclosure requirements by requiring disclosures of significant reportable segment expenses that are regularly provided to the Chief Operating Decision Maker (the “CODM”) and included within each reported measure of a segment's profit or loss. This new guidance also requires disclosure of the title and position of the individual identified as the CODM and an explanation of how the CODM uses the reported measures of a segment’s profit or loss in assessing segment performance and deciding how to allocate resources. The new guidance is effective for annual periods beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. The new guidance is required to be applied retrospectively to all prior periods presented in the financial statements. Early adoption is also permitted. This new guidance will likely result in additional required disclosures when adopted. The Company is evaluating the impact that the adoption of this new guidance will have on its consolidated financial statements. In December 2023, new accounting guidance was issued related to income tax disclosures. The new guidance requires disaggregated information about a reporting entity’s effective tax rate reconciliation as well as additional information on income taxes paid. The new guidance is effective on a prospective basis for annual periods beginning after December 15, 2024. Early adoption is also permitted for annual financial statements that have not yet been issued or made available for issuance. This new guidance will likely result in additional required disclosures when adopted. The Company is evaluating the impact that the adoption of this new guidance will have on its consolidated financial statements.

Basis of Interim Presentation

3 Months Ended

Mar. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. Basis of Interim Presentation

The information furnished in this Item 1 reflects all adjustments which are, in the opinion of management, necessary to a fair statement of the results for the interim periods presented and are of a normal and recurring nature unless otherwise noted. The information furnished has not been audited; however, the December 31, 2023 condensed consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by accounting principles generally accepted in the United States of America. The unaudited condensed consolidated financial statements included in this Item 1 should be read in conjunction with the audited consolidated financial statements and the notes thereto included in Nucor’s Annual Report on Form 10-K for the year ended December 31, 2023.

Recent Accounting Pronouncements

In November 2023, new accounting guidance was issued that updates reportable segment disclosure requirements by requiring disclosures of significant reportable segment expenses that are regularly provided to the Chief Operating Decision Maker (the “CODM”) and included within each reported measure of a segment's profit or loss. This new guidance also requires disclosure of the title and position of the individual identified as the CODM and an explanation of how the CODM uses the reported measures of a segment’s profit or loss in assessing segment performance and deciding how to allocate resources. The new guidance is effective for annual periods beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. The new guidance is required to be applied retrospectively to all prior periods presented in the financial statements. Early adoption is also permitted. This new guidance will likely result in additional required disclosures when adopted. The Company is evaluating the impact that the adoption of this new guidance will have on its consolidated financial statements.

In December 2023, new accounting guidance was issued related to income tax disclosures. The new guidance requires disaggregated information about a reporting entity’s effective tax rate reconciliation as well as additional information on income taxes paid. The new guidance is effective on a prospective basis for annual periods beginning after December 15, 2024. Early adoption is also permitted for annual financial statements that have not yet been issued or made available for issuance. This new guidance will likely result in additional required disclosures when adopted. The Company is evaluating the impact that the adoption of this new guidance will have on its consolidated financial statements.