XML 97 R64.htm IDEA: XBRL DOCUMENT
v3.23.1

Significant accounting policies - Useful Lives of Property, Plant and Equipment (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022
Minimum | Mining assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 3 years
Minimum | Energy generating assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 5 years
Minimum | Buildings |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 3 years
Minimum | Supplies and accessories |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 4 years
Minimum | Office equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 5 years
Minimum | Transport equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 8 years
Minimum | Network and communication equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 4 years
Minimum | IT equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 5 years
Minimum | Machinery, plant and equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 3 years
Minimum | Other fixed assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 3 years
Maximum | Mining assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Maximum | Energy generating assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 16 years
Maximum | Buildings |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 25 years
Maximum | Supplies and accessories |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Maximum | Office equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Maximum | Transport equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 9 years
Maximum | Network and communication equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 12 years
Maximum | IT equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Maximum | Machinery, plant and equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 25 years
Maximum | Other fixed assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 15 years
Average | Mining assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 8 years
Average | Energy generating assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Average | Buildings |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 13 years
Average | Supplies and accessories |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 8 years
Average | Office equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 9 years
Average | Transport equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 9 years
Average | Network and communication equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 8 years
Average | IT equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 8 years
Average | Machinery, plant and equipment |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 10 years
Average | Other fixed assets |
Significant accounting policies [Line Items] |
Useful life measured as period of time, property, plant and equipment | 9 years

X
- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2022-03-24 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2022-en-r&anchor=para_73_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sqm_SignificantAccountingPoliciesLineItems
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MiningAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sqm_EnergyGeneratingAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sqm_SuppliesAndAccessoriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sqm_TransportEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_CommunicationAndNetworkEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=sqm_ItEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |