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Accounts Receivable - Summary of Gross Value of Overdue Receivables (Details) - EUR (€) € in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Disclosure of Financial Assets that are Either Past Due or Impaired [Line Items] |  |
Overdue receivables gross value | € 521 | € 452
Overdue by less than 1 month |  |
Disclosure of Financial Assets that are Either Past Due or Impaired [Line Items] |  |
Overdue receivables gross value | 110 | 118
Overdue by 1-3 months |  |
Disclosure of Financial Assets that are Either Past Due or Impaired [Line Items] |  |
Overdue receivables gross value | 164 | 161
Overdue by 3-6 months |  |
Disclosure of Financial Assets that are Either Past Due or Impaired [Line Items] |  |
Overdue receivables gross value | 125 | 87
Overdue by 6-12 months |  |
Disclosure of Financial Assets that are Either Past Due or Impaired [Line Items] |  |
Overdue receivables gross value | 52 | 35
Overdue by > 12 months |  |
Disclosure of Financial Assets that are Either Past Due or Impaired [Line Items] |  |
Overdue receivables gross value | € 70 | € 51

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