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Fee and Commission Income - Additional Information (Detail) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Fee and commission income (expense) [abstract] |  |  |
Fee and commission income on trust and fiduciary activities | € 225 | € 215 | € 190

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- References No definition available. + Details
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- Definition The amount of fee income and expense (other than the amounts included when determining the effective interest rate) arising from trust and other fiduciary activities that result in the holding or investing of assets on behalf of individuals, trusts, retirement benefit plans and other institutions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 20 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_20_c_ii&doctype=Standard -URIDate 2019-03-27 + Details
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