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Treasury risk management - Summary of Financial Liabilities are Subject to Offsetting, Enforceable Master Netting Arrangements and Similar Agreements (Details) - Derivative financial liabilities - EUR (€) € in Millions	Dec. 31, 2023	Dec. 31, 2022
Disclosure of offsetting of financial liabilities [line items]
Gross amounts of recognised financial liabilities	€ (601)	€ (855)
Gross amounts of recognised financial liabilities set off in the balance sheet	42	71
Net amounts of financial liabilities presented in the balance sheet	(559)	(784)
Financial instruments	122	272
Cash collateral received	0	0
Net amount	€ (437)	€ (512)

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- Definition

The amount of cash collateral pledged that is subject to an enforceable master netting arrangement or similar agreement and that is not set off against financial liabilities. [Refer: Financial liabilities]

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The amount of financial instruments subject to an enforceable master netting arrangement or similar agreement that are not set off against financial liabilities. [Refer: Financial liabilities]

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The gross amount of recognised financial liabilities that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial liabilities]

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The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial liabilities, from the net amount of financial liabilities subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position.

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The net amount of financial liabilities that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement, presented in the statement of financial position. [Refer: Financial liabilities]

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