XML 12 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Apr. 23, 2020
Feb. 26, 2020
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019    
Current Fiscal Year End Date --12-31    
Entity File Number 1-14066    
Entity Registrant Name SOUTHERN COPPER CORP/    
Entity Central Index Key 0001001838    
Entity Tax Identification Number 13-3849074    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 1440 East Missouri Avenue Suite 160    
Entity Address, City or Town Phoenix    
Entity Address, State or Province AZ    
Entity Address, Postal Zip Code 85014    
City Area Code 602    
Local Phone Number 264-1375    
Title of 12(b) Security Common stock    
Trading Symbol SCCO    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float   $ 2,649.0  
Entity Common Stock, Shares Outstanding     773,058,869