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Deferred tax assets and liabilities - Changes in deferred tax liabilities and assets (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Deferred tax liabilities before offsetting |  |
Deferred tax assets and liabilities |  |
Deferred tax liability (asset) at beginning of year | € 9,315 | € 10,668
Additions | 654 | 1,176
Deductions | (1,099) | (1,351)
Changes with effect to OCI | (69) | 382
Currency translation differences | (247) | 611
Change in scope of consolidation | 348 | (1,951)
Other changes | (441) | (220)
Deferred tax liability (asset) at end of year | 8,461 | 9,315
Deferred tax assets before offsetting, gross |  |
Deferred tax assets and liabilities |  |
Deferred tax liability (asset) at beginning of year | (14,960) | (17,150)
Additions | (2,161) | (2,215)
Deductions | 2,565 | 2,532
Changes with effect to OCI | 223 | (147)
Currency translation differences | 213 | (610)
Change in scope of consolidation | (183) | 2,279
Other changes | 394 | 351
Deferred tax liability (asset) at end of year | (13,909) | (14,960)
Accumulated impairment |  |
Deferred tax assets and liabilities |  |
Deferred tax liability (asset) at beginning of year | 6,170 | 8,604
Additions | 639 | 464
Deductions | (861) | (2,409)
Currency translation differences | (68) | 165
Change in scope of consolidation | 13 | (549)
Other changes | (225) | (105)
Deferred tax liability (asset) at end of year | 5,668 | 6,170
Deferred tax assets before offsetting net of accumulated write-down provisions |  |
Deferred tax assets and liabilities |  |
Deferred tax liability (asset) at beginning of year | (8,790) | (8,546)
Additions | (1,522) | (1,751)
Deductions | 1,704 | 123
Changes with effect to OCI | 223 | (147)
Currency translation differences | 145 | (445)
Change in scope of consolidation | (170) | 1,730
Other changes | 169 | 246
Deferred tax liability (asset) at end of year | € (8,241) | € (8,790)

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- Definition The amount of increase (decrease) through additions, deferred tax liability (asset). + References No definition available. + Details
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- Definition The amount of increase (decrease) in deferred tax liability (asset) resulting from the changes in scope of consolidation. + References No definition available. + Details
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- Definition The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph ab -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_ab&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 90 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_90&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated 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: Deferred tax liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81&doctype=Standard -URIDate 2023-03-23 + Details
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