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Property, plant and equipment - Depreciation rates (Details) | 12 Months Ended
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Dec. 31, 2021
Buildings | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 2.00%
Buildings | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 10.00%
Mineral exploration wells and plants |
Property, plant and equipment |
Description of useful life, property, plant and equipment | UOP
Refining and chemical plants | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 3.00%
Refining and chemical plants | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 17.00%
Gas pipelines and compression stations | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 4.00%
Gas pipelines and compression stations | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 12.00%
Power plants | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 3.00%
Power plants | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 5.00%
Other plant and machinery | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 6.00%
Other plant and machinery | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 12.00%
Industrial and commercial equipment | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 5.00%
Industrial and commercial equipment | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 25.00%
Other assets | Minimum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 10.00%
Other assets | Maximum |
Property, plant and equipment |
Depreciation rate, property, plant and equipment | 20.00%

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- Definition The depreciation rate 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 2021-01-01 -Paragraph 73 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Description of useful life 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 2021-01-01 -Paragraph 73 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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