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Corporate income tax and deferred taxes assets and liabilities (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred taxes [Line Items] |  |  |
Deferred tax assets | € 1,159 | € 1,006 |
Deferred tax liabilities | 1,239 | 1,086 |
Deferred taxes assets [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 1,159 | 1,006 | € 784
Prior years transfers and others deferred taxes | (131) | 80 |
Deferred tax expense (income) recognised in profit or loss | 105 | 186 |
Deferred tax relating to items credited (charged) directly to equity | 145 | (42) |
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 34 | (2) |
Deferred taxes assets [Member] | Tax credits [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 537 | 503 | 370
Prior years transfers and others deferred taxes | (40) | 26 |
Deferred tax expense (income) recognised in profit or loss | 48 | 119 |
Deferred tax relating to items credited (charged) directly to equity | 0 | 0 |
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 26 | (13) |
Deferred taxes assets [Member] | Differences between tax and accounting [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 377 | 422 | 274
Prior years transfers and others deferred taxes | (93) | 46 |
Deferred tax expense (income) recognised in profit or loss | 38 | 87 |
Deferred tax relating to items credited (charged) directly to equity | 3 | 4 |
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 7 | 11 |
Deferred taxes assets [Member] | Equity measurement adjustment [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 197 | 48 | 86
Prior years transfers and others deferred taxes | 2 | (1) |
Deferred tax expense (income) recognised in profit or loss | 4 | 11 |
Deferred tax relating to items credited (charged) directly to equity | 143 | (47) |
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 0 | 0 |
Deferred taxes assets [Member] | Other items [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 48 | 33 | 55
Prior years transfers and others deferred taxes | 0 | 9 |
Deferred tax expense (income) recognised in profit or loss | 15 | (31) |
Deferred tax relating to items credited (charged) directly to equity | 0 | 1 |
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 1 | 0 |
Deferred taxes liabilities [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax liabilities | 1,239 | 1,086 | 924
Prior years transfers and others deferred taxes | (194) |  | 58
Deferred tax expense (income) recognised in profit or loss | 133 |  | 121
Deferred tax relating to items credited (charged) directly to equity | 158 |  | 3
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 57 |  | (20)
Deferred taxes liabilities [Member] | Differences between tax and accounting [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 322 | 242 |
Deferred tax liabilities | 548 | 561 | 378
Prior years transfers and others deferred taxes | (169) |  | 65
Deferred tax expense (income) recognised in profit or loss | 119 |  | 131
Deferred tax relating to items credited (charged) directly to equity | 2 |  | 0
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 35 |  | (13)
Deferred taxes liabilities [Member] | Equity measurement adjustment [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax liabilities | 234 | 69 | 64
Prior years transfers and others deferred taxes | 1 |  | 2
Deferred tax expense (income) recognised in profit or loss | 5 |  | 1
Deferred tax relating to items credited (charged) directly to equity | 156 |  | 3
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 2 |  | (1)
Deferred taxes liabilities [Member] | Other items [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax liabilities | 134 | 126 | 145
Prior years transfers and others deferred taxes | (9) |  | (22)
Deferred tax expense (income) recognised in profit or loss | 15 |  | 0
Deferred tax relating to items credited (charged) directly to equity | 0 |  | 0
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 2 |  | 2
Deferred taxes liabilities [Member] | Deferred taxes on goodwill [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax assets | 18 | 21 |
Deferred tax liabilities | 22 | 22 | 21
Prior years transfers and others deferred taxes | (1) |  | 0
Deferred tax expense (income) recognised in profit or loss | 1 |  | 1
Deferred tax relating to items credited (charged) directly to equity | 0 |  | 0
Increase (decrease) through net exchange differences, deferred tax liability (asset) | 0 |  | 0
Deferred taxes liabilities [Member] | Deferred fair value adjustment [Member] |  |  |
Deferred taxes [Line Items] |  |  |
Deferred tax liabilities | 301 | € 308 | 315
Prior years transfers and others deferred taxes | (17) |  | 13
Deferred tax expense (income) recognised in profit or loss | (7) |  | (12)
Deferred tax relating to items credited (charged) directly to equity | 0 |  | 0
Increase (decrease) through net exchange differences, deferred tax liability (asset) | € 17 |  | € (8)

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_o&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_56&doctype=Standard -URIDate 2024-03-27 + Details
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