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v3.20.4

Information by segment and main country - Text Details (Detail) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Information by segment and main country [Line Items] |  |
Share of sales for single customer | 10.00% |
Diagnosis & Treatment [Member] |  |
Information by segment and main country [Line Items] |  |
Intersegment funding | € 38 | € 54

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