v3.25.3

STOCKHOLDERS' EQUITY: - Directors Stock Award Plan (Details) - USD ($) $ in Millions			3 Months Ended	9 Months Ended
	May 23, 2025	May 27, 2022	Jun. 30, 2021	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Parent Company (Grupo Mexico)
Activity in directors' stock award plan
Treasury stock balance at the end of the period (in shares)				54,573,017		61,972,864
Directors' Stock Award Plan
Share based Compensation Plan
Total SCC shares reserved for the plan				600,000	600,000
Common shares received on election as director				1,600
Additional shares issued at each annual general meeting	200			1,600
Numbers of shares shall be granted quarterly and conditioned upon the attendance of each director to each Board meeting			400
Period of extension of plan	3 years	5 years
Stock based compensation expense				$ 0.9	$ 1.3
Activity in directors' stock award plan
Total shares granted at the beginning of the period (in shares)				(444,400)	(428,800)
Granted (in shares)				(9,600)	(12,400)
Total shares granted at the end of the period (in shares)				(454,000)	(441,200)
Remaining shares reserved				146,000	158,800

Numbers of shares shall be granted quarterly and conditioned upon the attendance of each director to each Board meeting.

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SOUTHERN COPPER CORP/ 10-Q