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Related Parties - Summary of Balances and Transactions (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of transactions between related parties [line items]
Payables and other liabilities to associates and joint ventures	€ 1	€ 0
Associates And Joint Ventures In Which BBVA And Caixabank Hold Interest
Disclosure of transactions between related parties [line items]
Receivables and other assets from associates and joint ventures	33	7
Payables and other liabilities to associates and joint ventures	14	7
Revenue from operations with associates and joint ventures	261	13
Expenses from operations with associates and joint ventures	40	7
Finance cost from operations with associates and joint ventures	€ 1	€ 1

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- Definition

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.

+ References

No definition available.

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- Definition

The amount of revenue arising from the rendering of services in related party transactions. [Refer: Revenue; Related parties [member]]

+ References

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- Definition

The amount of payables due to related parties. [Refer: Related parties [member]]

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- Definition

The amount of receivables due from related parties. [Refer: Related parties [member]]

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-Name IAS
-Number 1
-IssueDate 2023-01-01
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- Definition

Expenses From Operations, Related Party Transactions

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Finance Cost From Operations, Related Party Transactions

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