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Property, plant and equipment - Changes related to suspended wells (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Property, plant and equipment |  |  |
Property, plant and equipment - beginning of the year | € 53,943 | € 62,192 |
Changes in the scope of consolidation | (252) |  |
Currency translation differences | 3,688 | (4,140) |
Other changes | 66 | 41 |
Property, plant and equipment - end of the year | 56,299 | 53,943 | € 62,192
Suspended exploration wells pending final determination |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment - beginning of the year | 1,268 | 1,246 | 1,101
Increases for which is ongoing the determination of proved reserves | 288 | 408 | 368
Amounts previously capitalized and expensed in the year | (286) | (226) | (183)
Reclassification to successful exploratory wells following the estimation of proved reserves | (43) | (48) | (46)
Disposals | (3) |  | (15)
Changes in the scope of consolidation | (199) |  |
Currency translation differences | 100 | (112) | 21
Other changes | (24) |  |
Property, plant and equipment - end of the year | € 1,101 | € 1,268 | € 1,246

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- Definition Additions to costs for exploratory well that were added during the reporting period pending the determination of proved reserves. + References No definition available. + Details
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- Definition Amount of costs for exploratory well for which proved reserves were not found at the exploratory well. + References No definition available. + Details
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- Definition Increase (decrease) through changes in scope of consolidation, property, plant and equipment + References No definition available. + Details
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- Definition Reclassified costs to productive wells on determination of proved reserves. + References No definition available. + Details
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- Definition The decrease in property, plant and equipment resulting from disposals. [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 e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [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 e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from changes that the entity does not separately disclose in the same statement or note. [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 e -Clause ix -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ix&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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