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Intangible assets - Main amortization rates (Details) | 12 Months Ended
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Dec. 31, 2021
Exploration rights |
Intangible assets |
Description of useful life, intangible assets other than goodwill | UOP
Transport rights of natural gas |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 3.00%
Other concessions, licenses, trademarks and similar items | Minimum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 3.00%
Other concessions, licenses, trademarks and similar items | Maximum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 33.00%
Industrial patents and intellectual property right | Minimum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 20.00%
Industrial patents and intellectual property right | Maximum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 33.00%
Capitalized costs for customer acquisition | Minimum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 17.00%
Capitalized costs for customer acquisition | Maximum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 33.00%
Other intangible assets | Minimum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 4.00%
Other intangible assets | Maximum |
Intangible assets |
Amortisation rate, intangible assets other than goodwill | 20.00%

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- Definition The amortisation rate used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Description of useful life used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_a&doctype=Standard -URIDate 2021-03-24 + Details
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