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Deposits from banks - Additional information (Details) € in Billions | 1 Months Ended
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Mar. 31, 2024 EUR (€)
TLTRO |
Disclosure of deposits from banks [Line Items] |
Repayment of deposits from banks | € 6.0

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- Definition Disclosure of deposits from banks [Line Items] + References No definition available. + Details
Name: | ing_DisclosureOfDepositsFromBanksLineItems
Namespace Prefix: | ing_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Repayment Of Deposits From Banks + References No definition available. + Details
Name: | ing_RepaymentOfDepositsFromBanks
Namespace Prefix: | ing_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | ifrs-full_BorrowingsByNameAxis=ing_TargetedLongerTermRefinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |