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Financial instruments - Summary of Fair Values of Financial Assets and Financial Liabilities (Details) - EUR (€) € in Millions | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
--- | --- | --- | ---
Financial assets |  |  |
Cash and cash equivalents | € 4,970 | € 4,159 | € 4,994
Financial assets at amortised cost | 1,395 | 1,415 | 1,079
Financial assets at fair value through other comprehensive income | 586 | 609 | 438
Financial assets | 7,921 | 7,276 | 7,590
Derivatives |  |  |
Financial assets |  |  |
Financial assets at fair value through profit or loss | 118 | 112 | 67
Other |  |  |
Financial assets |  |  |
Financial assets at fair value through profit or loss | 852 | 981 | 1,012
Fair value |  |  |
Financial assets |  |  |
Cash and cash equivalents | 4,970 | 4,159 | 4,994
Financial assets at amortised cost | 1,395 | 1,415 | 1,079
Financial assets at fair value through other comprehensive income | 586 | 609 | 438
Financial assets | 7,921 | 7,276 | 7,590
Financial liabilities |  |  |
Bank loans and overdrafts | (460) | (506) | (606)
Bonds and other loans | (27,836) | (26,112) | (26,265)
Lease liabilities | (1,358) | (1,395) | (1,428)
Derivatives | (537) | (494) | (618)
Other financial liabilities | (570) | (535) | (457)
Financial liabilities | (30,761) | (29,042) | (29,374)
Fair value | Derivatives |  |  |
Financial assets |  |  |
Financial assets at fair value through profit or loss | 118 | 112 | 67
Fair value | Other |  |  |
Financial assets |  |  |
Financial assets at fair value through profit or loss | 852 | 981 | 1,012
Carrying amount |  |  |
Financial assets |  |  |
Cash and cash equivalents | 4,970 | 4,159 | 4,994
Financial assets at amortised cost | 1,395 | 1,415 | 1,079
Financial assets at fair value through other comprehensive income | 586 | 609 | 438
Financial assets | 7,921 | 7,276 | 7,590
Financial liabilities |  |  |
Bank loans and overdrafts | (460) | (506) | (606)
Bonds and other loans | (28,729) | (26,692) | (27,599)
Lease liabilities | (1,358) | (1,395) | (1,428)
Derivatives | (537) | (494) | (618)
Other financial liabilities | (570) | (535) | (457)
Financial liabilities | (31,654) | (29,622) | (30,708)
Carrying amount | Derivatives |  |  |
Financial assets |  |  |
Financial assets at fair value through profit or loss | 118 | 112 | 67
Carrying amount | Other |  |  |
Financial assets |  |  |
Financial assets at fair value through profit or loss | € 852 | € 981 | € 1,012

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35M&doctype=Standard -URIDate 2023-03-23 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35N -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35N&doctype=Standard -URIDate 2023-03-23 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35I&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 8 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_a&doctype=Standard -URIDate 2023-03-23 + Details
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