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Property, plant and equipment - Key Assumptions (Details) - Titian CGU | Dec. 31, 2020
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Disclosure of detailed information about property, plant and equipment [line items] |
Discount rate used in current estimate of value in use | 13.00%
Long-term average realized price |
Disclosure of detailed information about property, plant and equipment [line items] |
Change Required for Carrying Value to Equal Recoverable Value | 0.03
Production volumes |
Disclosure of detailed information about property, plant and equipment [line items] |
Change Required for Carrying Value to Equal Recoverable Value | 0.11
Gas price |
Disclosure of detailed information about property, plant and equipment [line items] |
Change Required for Carrying Value to Equal Recoverable Value | 0.07
Discount rate (after-tax) |
Disclosure of detailed information about property, plant and equipment [line items] |
Change Required for Carrying Value to Equal Recoverable Value | 0.0330

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- Definition The amount by which value that has been assigned to a key assumption must change in order for a unit's recoverable amount to be equal to its carrying amount. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph f -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_f_iii&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 135 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_135_e_iii&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 130 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_130_g&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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