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Note 29 - Capital Base and Capital Management - Leverage Ratio (Details) - EUR (€) € in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Capital Base And Capital Management
Tier 1 eligible capital resources capital base	€ 45,717	€ 50,083
Exposure (thousand of euros)	€ 703,657	€ 747,217
Leverage Ratio	6.50%	6.70%

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The amount of assets measured for regulatory requirements taking into account a pondered coeficient that measures the risk associated to each asset.

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The Tier 1 leverage ratio is the relationship between a banking organization's core capital and its total assets. The Tier 1 leverage ratio is calculated by dividing Tier 1 capital by a bank's average total consolidated assets and certain off-balance sheet exposures

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Includes: Common stock, parent company reserves, reserves in consolidated companies, non-controlling interests, deduction and others and attributed net income

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