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Associates and Joint Ventures - Disclosure of Statement of Financial Position and Income Statement of Associates and Joint Ventures (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Joint Ventures And Associates [Line Items] |  |  |
Receivables and other assets (Note 14) | € 163 | € 139 |
Current lease liabilities | 59 | 42 |
Current payables to related parties | 407 | 203 |
Revenue from operations | 41,315 | 40,652 | € 39,993
Financial revenues | 980 | 1,099 | 1,803
Financial expenses | 2,998 | 3,014 | 3,030
Associates and Joint Ventures |  |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |  |
Credits and other financial assets | 246 | 265 |
Receivables and other assets (Note 14) | 199 | 184 |
Financial liabilities | 10 | 0 |
Non-current lease liabilities | 69 | 37 |
Non-current payables and other liabilities (Note 21) | 434 | 240 |
Long-term contractual liabilities | 83 | 98 |
Current payables to related parties | 427 | 227 |
Short-term contractual liabilities | 20 | 21 |
Revenue from operations | 771 | 696 | 460
Expenses from operations | 813 | 770 | 315
Financial revenues | 28 | 30 | 28
Financial expenses | 46 | 16 | 10
Associates |  |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |  |
Credits and other financial assets | 244 | 263 |
Receivables and other assets (Note 14) | 87 | 91 |
Financial liabilities | 0 | 0 |
Non-current lease liabilities | 60 | 37 |
Non-current payables and other liabilities (Note 21) | 433 | 236 |
Long-term contractual liabilities | 31 | 44 |
Current lease liabilities | 55 | 42 |
Current payables to related parties | 377 | 183 |
Short-term contractual liabilities | 14 | 15 |
Revenue from operations | 520 | 473 | 209
Expenses from operations | 677 | 634 | 199
Financial revenues | 26 | 29 | 27
Financial expenses | 45 | 9 | 1
Joint ventures |  |  |
Disclosure Of Joint Ventures And Associates [Line Items] |  |  |
Credits and other financial assets | 2 | 2 |
Receivables and other assets (Note 14) | 112 | 93 |
Financial liabilities | 10 | 0 |
Non-current lease liabilities | 9 | 0 |
Non-current payables and other liabilities (Note 21) | 1 | 4 |
Long-term contractual liabilities | 52 | 54 |
Current lease liabilities | 4 | 0 |
Current payables to related parties | 50 | 44 |
Short-term contractual liabilities | 6 | 6 |
Revenue from operations | 251 | 223 | 251
Expenses from operations | 136 | 136 | 116
Financial revenues | 2 | 1 | 1
Financial expenses | € 1 | € 7 | € 9

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- Definition The amount of current receivables due from joint ventures. [Refer: Total for all joint ventures [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 82 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_82_b&doctype=Standard -URIDate 2024-03-27 + Details
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