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Note 28 Restricted reserves breakdown by concepts (Details) - EUR (€) € in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Restricted reserves breakdown by concepts [Line Items] |  |  |  |
Restricted reserve for retired capital |  | € 88 | € 88 | € 88
Restricted reserve for parent company shares and loans for those shares | [1] | 672 | 30 | 34
Restricted reserve for redenomination of capital in euros |  | 2 | 2 | 2
Total restricted reserves |  | € 761 | € 120 | € 124
[1] | (*) The variation in 2021 is mainly due to the share buyback program (see Note 4).

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- Definition Restricted reserve for parent company shares and loans for those shares + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Restricted reserve for redenomination of capital in euros + References No definition available. + Details
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Namespace Prefix: | bbva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Restricted reserve for retired capital + References No definition available. + Details
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Namespace Prefix: | bbva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Restricted reserves breakdown by concepts + References No definition available. + Details
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- Definition Total restricted reserves + References No definition available. + Details
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Namespace Prefix: | bbva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant