| USD ($) $ in Millions | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | Dec 31, 2017 | Dec 31, 2016 | Dec 31, 2015 | Dec 31, 2014 | Dec 31, 2013 | Dec 31, 2012 | Dec 31, 2011 | Dec 31, 2010 | Dec 31, 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Current assets: | |||||||||||||||||
Cash and cash equivalents | $ 4,304.6 | $ 3,258.1 | $ 1,151.5 | ||||||||||||||
Restricted cash | - | - | - | ||||||||||||||
Short-term investments | 604.6 | 245.3 | 599.3 | ||||||||||||||
Accounts receivable trade | 1,951.2 | 1,189.6 | 1,141.1 | ||||||||||||||
Accounts receivable other (including related parties 2025- $16.2 and 2024 - $13.5) | 71.4 | - | - | ||||||||||||||
Accounts receivable other (including related parties 2024- $13.5 and 2023 - $27.3) | - | 54.2 | 87.2 | ||||||||||||||
Inventories | 1,058.1 | 1,048.9 | 1,016.9 | ||||||||||||||
Prepaid taxes | 331.2 | 346.7 | 395.4 | ||||||||||||||
Deferred income tax | - | - | - | ||||||||||||||
Other current assets | 31.3 | 31.7 | 38.1 | ||||||||||||||
Total current assets | 8,352.5 | 6,174.3 | 4,429.5 | ||||||||||||||
Property and mine development, net | 10,272.2 | 9,883.3 | 9,782.9 | ||||||||||||||
Ore stockpiles on leach pads | 1,114.5 | 1,145.8 | 1,121.7 | ||||||||||||||
Intangible assets, net | 122.4 | 124.6 | 130.2 | ||||||||||||||
Leachable material, net | - | - | - | ||||||||||||||
Related parties receivable | - | - | - | ||||||||||||||
Right-of-use assets | 700.8 | 739.5 | 775.4 | ||||||||||||||
Deferred income tax | 336.3 | 310.6 | 256.1 | ||||||||||||||
Equity method investment | 134.5 | 111.9 | 108.2 | ||||||||||||||
Other non-current assets | 348.2 | 223.5 | 121.3 | ||||||||||||||
Total assets | 21,381.4 | 18,713.5 | 16,725.3 | ||||||||||||||
LIABILITIES | |||||||||||||||||
Current liabilities: | |||||||||||||||||
Current portion of long-term debt | - | 499.8 | - | ||||||||||||||
Accounts payable (including related parties 2025 - $138.4 and 2024 - $49.2) | 861.5 | 615.2 | 652.6 | ||||||||||||||
Accrued income taxes | 634.4 | 635.2 | 278.3 | ||||||||||||||
Deferred income taxes | - | - | - | ||||||||||||||
Due to affiliated companies | - | - | - | ||||||||||||||
Accrued workers' participation | 404.6 | 280.8 | 245.7 | ||||||||||||||
Accrued interest | 115.0 | 97.1 | 97.1 | ||||||||||||||
Lease liabilities current | 86.5 | 81.8 | 78.0 | ||||||||||||||
Other accrued liabilities | 43.0 | 38.1 | 36.8 | ||||||||||||||
Total current liabilities | 2,145.1 | 2,248.1 | 1,388.5 | ||||||||||||||
Long-term debt, net of current portion | 6,750.7 | 5,758.5 | 6,254.6 | ||||||||||||||
Lease liabilities | 576.3 | 657.6 | 697.4 | ||||||||||||||
Deferred income taxes | 130.5 | 124.5 | 132.2 | ||||||||||||||
Non-current taxes payable | 97.1 | 104.9 | 92.7 | ||||||||||||||
Other liabilities and reserves | 105.7 | 35.6 | 66.2 | ||||||||||||||
Asset retirement obligation | 471.1 | 546.1 | 612.5 | ||||||||||||||
Total non-current liabilities | 8,131.4 | 7,227.3 | 7,855.6 | ||||||||||||||
STOCKHOLDERS' EQUITY (NOTE 14) | |||||||||||||||||
STOCKHOLDER'S EQUITY | |||||||||||||||||
Common stock par value $0.01; shares authorized, 2025 and 2024-2,000; shares issued, 2025 and 2024-884.6 | 8.8 | 8.8 | 8.8 | ||||||||||||||
Additional paid-in capital | 7,257.9 | 5,026.0 | 3,532.8 | ||||||||||||||
Retained earnings | 5,797.2 | 6,839.6 | 7,033.5 | ||||||||||||||
Accumulated other comprehensive income | 8.3 | (2.2) | (8.0) | ||||||||||||||
Treasury stock, at cost, common shares | (2,034.2) | (2,700.7) | (3,149.0) | ||||||||||||||
Total Southern Copper Corporation stockholders' equity | 11,038.1 | 9,171.6 | 7,418.1 | ||||||||||||||
Non-controlling interest | 66.8 | 66.6 | 63.1 | ||||||||||||||
Total equity | 11,104.9 | 9,238.1 | 7,481.2 | ||||||||||||||
Total liabilities and equity | $ 21,381.4 | $ 18,713.5 | $ 16,725.3 |