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Accounting Information and Policies - Additional Information (Detail) € in Millions | 12 Months Ended
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Dec. 31, 2017 EUR (€)
Spreads business [member] |
Disclosure of summary of significant accounting policies [line items] |
Contribution to group turnover percentage | 6.00%
Contribution to group net assets percentage | 2.00%
IFRS 16 [member] |
Disclosure of summary of significant accounting policies [line items] |
Operating lease commitments | € 2,500
IFRS 9 [member] |
Disclosure of summary of significant accounting policies [line items] |
Financial assets previously measured at fair value through equity measured at amortised cost | € 120

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- Definition Spreads business contribution to group net assets percentage. + References No definition available. + Details
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Balance Type: | na
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- Definition Spreads business contribution to group turnover percentage. + References No definition available. + Details
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- Definition Line items representing the disclosure of summary of significant accounting policies. + References No definition available. + Details
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- Definition Impact of IFRS nine on financial assets. + References No definition available. + Details
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- Definition Operating lease commitments. + References No definition available. + Details
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- Details
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Period Type: |

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- Details
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Period Type: |

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- Details
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Period Type: |