The increase (decrease) in the fair value of loans or receivables that is attributable to changes in the credit risk of the loans and receivables determined either: (a) as the amount of change in their fair value that is not attributable to changes in market conditions that gave rise to market risk; or (b) using an alternative method that the entity believes more faithfully represents the amount of change in its fair value that is attributable to changes in the credit risk of the asset. [Refer: Credit risk [member]; Market risk [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
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-IssueDate 2019-01-01
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-Subparagraph c
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2019-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Financial risk management - Changes in loss allowance (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Risk management
Trade receivables	€ 5,025	€ 4,856
Accumulated impairment
Risk management
Trade receivables	€ 147	195
Credit risk
Risk management
Credit loss estimation period	12 months
Credit risk \| Accumulated impairment
Risk management
Trade receivables	€ 147	195	€ 192	€ 168
Loss allowance for customer and vendor financing related loan receivables	76	€ 7
Movement in loss allowance	€ 69