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Derivative financial instruments and market risks - Summary of Fair Value of Derivative Instruments (Details) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disclosure of Credit Risk Exposure [Line Items] |  |  |
Non-current assets | € 0 | € 0 | € 0
Current assets | 217 |  |
Total assets | 217 |  |
Non-current liabilities | (121) | (164) | (232)
Current liabilities | (337) |  |
Total liabilities | (458) |  |
Financial instruments designated as hedging instruments, at fair value | (241) | (90) | (120)
Currency derivatives |  |  |
Disclosure of Credit Risk Exposure [Line Items] |  |  |
Non-current assets | 0 |  |
Current assets | 217 |  |
Total assets | 217 |  |
Non-current liabilities | 0 |  |
Current liabilities | (330) |  |
Total liabilities | (330) |  |
Financial instruments designated as hedging instruments, at fair value | (113) | 75 | 112
operating |  |  |
Disclosure of Credit Risk Exposure [Line Items] |  |  |
Non-current assets | 0 |  |
Current assets | 81 |  |
Total assets | 81 |  |
Non-current liabilities | 0 |  |
Current liabilities | (111) |  |
Total liabilities | (111) |  |
Financial instruments designated as hedging instruments, at fair value | (30) | 22 | 22
financial |  |  |
Disclosure of Credit Risk Exposure [Line Items] |  |  |
Non-current assets | 0 |  |
Current assets | 136 |  |
Total assets | 136 |  |
Non-current liabilities | 0 |  |
Current liabilities | (219) |  |
Total liabilities | (219) |  |
Financial instruments designated as hedging instruments, at fair value | (83) | 53 | 90
Interest rate derivatives |  |  |
Disclosure of Credit Risk Exposure [Line Items] |  |  |
Non-current assets | 0 |  |
Current assets | 0 |  |
Total assets | 0 |  |
Non-current liabilities | (121) |  |
Current liabilities | (7) |  |
Total liabilities | (128) |  |
Financial instruments designated as hedging instruments, at fair value | (128) | (165) | (232)
Equity derivatives |  |  |
Disclosure of Credit Risk Exposure [Line Items] |  |  |
Non-current assets | 0 |  |
Current assets | 0 |  |
Total assets | 0 |  |
Non-current liabilities | 0 |  |
Current liabilities |  |  |
Total liabilities | 0 |  |
Financial instruments designated as hedging instruments, at fair value | € 0 | € 0 | € 0

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- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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