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Capital and Funding - Reconciliation of Liabilities Arising from Financing Activities (Parenthetical) (Detail) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disclosure of financial liabilities [line items]
Gain loss on termination and modifications of leases	€ 30	€ 17
Overdrafts [member]
Disclosure of financial liabilities [line items]
Cash movement	€ 10	€ 64

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Cash adjustments in lease.

+ References

No definition available.

+ Details

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- Definition

Gain loss on termination and modifications of leases.

+ References

No definition available.

+ Details

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- Details

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