XML 70 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Feb. 21, 2020
Jun. 29, 2019
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol NUE    
Entity Registrant Name NUCOR CORPORATION    
Entity Central Index Key 0000073309    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Interactive Data Current Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer Yes    
Title of 12(b) Security Common stock, par value $0.40 per share    
Security Exchange Name NYSE    
Entity Incorporation, State or Country Code DE    
Document Annual Report true    
Document Transition Report false    
Entity File Number 1-4119    
Entity Tax Identification Number 13-1806817    
Entity Address, Address Line One 1915 Rexford Road    
Entity Address, City or Town Charlotte    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28211    
City Area Code 704    
Local Phone Number 366-7000    
Entity Common Stock, Shares Outstanding   301,000,375  
Entity Public Float     $ 16,580
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission in connection with the registrant’s 2020 Annual Meeting of Stockholders are incorporated by reference in Part III of this report to the extent described herein.