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Goodwill - Additional Information (Detail) € in Millions	12 Months Ended
	Dec. 31, 2022 EUR (€) Reporting_Unit	Dec. 31, 2021 EUR (€)
Goodwill [Line Items]
Goodwill	€ 4,555.6	€ 4,555.6
Number of reporting units | Reporting_Unit	2
Goodwill accumulated impairment loss	€ 0.0	0.0
RU ASML
Goodwill [Line Items]
Goodwill	4,093.3	4,093.3
RU CLS
Goodwill [Line Items]
Goodwill	€ 462.3	€ 462.3

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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X

- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

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