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Business combinations - Acquisition of mobile assets of Oi Group (Details) - Apr. 20, 2022 - Oi Group € in Millions, R$ in Millions | EUR (€) | BRL (R$)
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Disclosure of detailed information about business combination [line items] |  |
Consideration | € 1,093 | R$ 5,492
Intangible assets | 539 |
Property, plant and equipment | 29 |
Rights of use | 105 |
Deferred tax assets | 44 |
Trade receivables | 74 |
Other assets | 30 |
Cash and cash equivalents | 13 |
Lease liabilities | (117) |
Trade payables | (24) |
Provisions | (221) |
Other liabilities | (55) |
Liabilities assumed and other costs (see Note 29.c) | 417 |
Goodwill (Note 7) | 676 |
Licenses |  |
Disclosure of detailed information about business combination [line items] |  |
Intangible assets | 520 |
Customer relationships |  |
Disclosure of detailed information about business combination [line items] |  |
Intangible assets | € 19 |

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- Definition The amount recognised as of the acquisition date for deferred tax assets acquired in a business combination. [Refer: Deferred tax assets; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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- Definition The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph IE72 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2022-03-24 + Details
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