XML 133 R108.htm IDEA: XBRL DOCUMENT v3.21.1
Basis for preparation, consolidation and accounting policies - Useful lives or used for administrative purposes (Details)
 12 Months Ended
Dec. 31, 2020
Transportation units [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 5 years
Fixtures and fittings [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 10 years
Computer Equipment [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 4 years
Minimum | Buildings and other constructions  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 6 years
Minimum | Buildings and other constructions | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 5 years
Minimum | Buildings and other constructions | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 5 years
Minimum | Machinery and equipment  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 5 years
Minimum | Machinery and equipment | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 3 years
Minimum | Machinery and equipment | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 2 years
Minimum | Transportation units [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 3 years
Minimum | Transportation units [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 5 years
Minimum | Fixtures and fittings [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 3 years
Minimum | Fixtures and fittings [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 7 years
Minimum | Computer Equipment [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 3 years
Minimum | Land improvements [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 2 years
Minimum | Other property, plant and equipment [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 3 years
Minimum | Other property, plant and equipment [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 3 years
Maximum | Buildings and other constructions  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 20 years
Maximum | Buildings and other constructions | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 10 years
Maximum | Buildings and other constructions | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 35 years
Maximum | Machinery and equipment  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 10 years
Maximum | Machinery and equipment | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 10 years
Maximum | Machinery and equipment | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 30 years
Maximum | Transportation units [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 4 years
Maximum | Transportation units [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 7 years
Maximum | Fixtures and fittings [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 4 years
Maximum | Fixtures and fittings [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 10 years
Maximum | Computer Equipment [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 4 years
Maximum | Land improvements [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 4 years
Maximum | Other property, plant and equipment [Member] | Minera Yanacocha SRL and subsidiary [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 4 years
Maximum | Other property, plant and equipment [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]  
Basis for preparation, consolidation and accounting policies  
Useful life of property plant equipment 25 years