Income taxes - Current income tax expense (Detail) - EUR (€) € in Millions |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Income taxes [Abstract] | |||
| Current year tax (expense) benefit | € (304) | € (150) | € (211) |
| Prior year tax (expense) benefit | (1) | 9 | 10 |
| Current tax (expense) benefit | € (305) | € (140) | € (201) |
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- References Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Income taxes [Abstract] No definition available.
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