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Note 7 - Risk Management - Impairment Losses Reconciliations II (Details) - EUR (€)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019		Dec. 31, 2018
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract
Recovery of written-off assets	€ (339,000,000)	€ (919,000,000)	[1]	€ (589,000,000)	[1]
[1] (*) In 2020, the amount includes the negative impact of the update of the macroeconomic scenario following the COVID-19 pandemic (see Notes 1.5 and 7.2).

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- References

No definition available.

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- Definition

The gain on the recovery of loans and advances previously written off.

+ References

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