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Material accounting judgments, estimates and assumptions (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Material accounting judgments, estimates and assumptions |  |  |
Innovation Box tax rate | 9.00% | 9.00% |
General headline rate | 25.80% | 25.00% | 25.00%

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The Innovation Box tax rate, a corporate income tax incentive introduced in Dutch tax law. + References No definition available. + Details
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- References No definition available. + Details
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