v3.25.2

ASSET RETIREMENT OBLIGATION: (Details) $ in Millions		1 Months Ended	6 Months Ended		12 Months Ended
ASSET RETIREMENT OBLIGATION: (Details) $ in Millions	Mar. 19, 2025	Apr. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) item	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jan. 31, 2025 USD ($)
ASSET RETIREMENT OBLIGATION:
Percentage of guarantee for Lima office complex			27.00%
Percentage of security for letter of credit			73.00%
Total guarantees						$ 98.5
Period for updation of guarantee constitution table	3 years
Asset retirement obligation activity
Balance at the beginning of the year			$ 546.1	$ 612.6	$ 612.6
Changes in estimates			(48.5)	(7.7)
Accretion expense			12.2	14.3
Balance at the end of the year			$ 509.9	$ 619.2	546.1
Peru
ASSET RETIREMENT OBLIGATION:
Number of units with future closure costs recognized as an asset retirement obligation \| item			3
Period after which successive reviews are required by the law (in years)			5 years
Change in asset retirement liability		$ (3.2)
Mexico
Asset retirement obligation activity
Changes in estimates					$ (119.2)

Represents the period after which successive reviews are required by the law.

+ References

No definition available.

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- Definition

Represents the number of units for which the entity has recognized an asset retirement obligation.

+ References

No definition available.

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- Definition

Period for updating the guarantee obligations table including progressive closure under asset retirement obligations.

+ References

No definition available.

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- Definition

Percentage of guarantee pledged for office complex.

+ References

No definition available.

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- Definition

Percentage of guarantee for stand by letters of credit.

+ References

No definition available.

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Data Type:	dtr-types:percentItemType
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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481999/410-20-25-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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- References

No definition available.

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481879/410-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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- Definition

Amount of increase (decrease) in asset retirement obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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- Definition

Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481850/410-20-50-1

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

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SOUTHERN COPPER CORP/ 10-Q