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Note 19 Secured tax assets (Details) - EUR (€) € in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Secured tax assets [Line Items]
Secured pensions tax assets	€ 1,759	€ 1,924	€ 1,924
Secured loss allowances tax assets	7,545	7,437	7,439
Total secured tax assets	€ 9,304	€ 9,361	€ 9,363

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- Definition

Secured loss allowances tax assets

+ References

No definition available.

+ Details

Name:	bbva_SecuredLossAllowancesTaxAssets
Namespace Prefix:	bbva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Secured pensions tax assets

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No definition available.

+ Details

Name:	bbva_SecuredPensionsTaxAssets
Namespace Prefix:	bbva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Secured tax assets

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No definition available.

+ Details

Name:	bbva_SecuredTaxAssetsLineItems
Namespace Prefix:	bbva_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Total secured tax assets

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No definition available.

+ Details

Name:	bbva_TotalSecuredTaxAssets
Namespace Prefix:	bbva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant