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Note 6 - Risk Management - Impairment Losses Reconciliations II (Details) - EUR (€) € in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Impairment Losses Changes Line Items |  |
Impairment Losses At The Beginning | € 12,295 | € 14,004
Changes InImpairment Losses |  |
Acquisition Of Subsidiaries In The Period | 0 | 0
Increase In Impairment Losses Charged To Income | 6,110 | 9,070
Decrease In Impairment Losses Charged To Income | (4,118) | (4,547)
Transfer To Written Off Loans,Exchange Differences And Other | (2,022) | (6,231)
Impairment Losses At TheEnd | 12,265 | 12,295
Stage 1 [Member] |  |
Changes InImpairment Losses |  |
Increase In Impairment Losses Charged To Income | 1,117 | 1,411
Decrease In Impairment Losses Charged To Income | (922) | (1,469)
Stage 2 [Member] |  |
Changes InImpairment Losses |  |
Increase In Impairment Losses Charged To Income | 1,334 | 1,071
Decrease In Impairment Losses Charged To Income | (944) | (799)
Stage 3 [Member] |  |
Changes InImpairment Losses |  |
Increase In Impairment Losses Charged To Income | 3,659 | 6,589
Decrease In Impairment Losses Charged To Income | € (2,252) | € (2,279)

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