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Risk management - Gross carrying amount per IFRS 9 stage and rating class (Details) - EUR (€) € in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of credit risk exposure [line items] |  |  |
Miscellaneous other liabilities | € 13,667.0 | € 13,646.0 |
Undrawn commitments |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Undrawn borrowing facilities | 151,000.0 | 150,100.0 |
Other positions |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Miscellaneous other liabilities | 9,000.0 | 4,400.0 |
Non IFRS 9 eligible assets commitments |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Miscellaneous other liabilities | 67,000.0 | 116,100.0 |
IAS 37 & IFRS 9 Off-Balance Provisions |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Miscellaneous other liabilities |  | 109.0 |
Gross carrying amount | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | € (1,025,043.0) | € (1,009,595.0) | € (951,934.0)
Gross carrying amount | Stage 1 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Percentage of financial assets | 91.50% | 91.50% |
Gross carrying amount | Stage 1 | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | € (937,633.0) | € (922,300.0) | (890,386.0)
Gross carrying amount | Stage 2 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Percentage of financial assets | 7.40% | 7.30% |
Gross carrying amount | Stage 2 | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | € (75,454.0) | € (75,429.0) | (49,476.0)
Gross carrying amount | Stage 3 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Percentage of financial assets | 1.20% | 1.20% |
Gross carrying amount | Stage 3 | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | € (11,956.0) | € (11,866.0) | (12,072.0)
Accumulated impairments |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 5,839.0 | 6,101.0 |
Accumulated impairments | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 5,839.0 | 6,196.0 | 5,368.0
Changes in models | (102.0) |  |
Accumulated impairments | Stage 1 | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 517.0 | 590.0 | 501.0
Changes in models | 8.0 |  |
Accumulated impairments | Stage 2 | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 1,435.0 | 1,692.0 | 1,016.0
Changes in models | (10.0) |  |
Accumulated impairments | Stage 3 | Loans |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 3,887.0 | 3,914.0 | € 3,851.0
Changes in models | (84.0) |  |
IFRS 9 | Gross carrying amount |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (1,025,043.0) | (967,655.0) |
IFRS 9 | Gross carrying amount | 1 (AAA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (87,510.0) | (101,169.0) |
IFRS 9 | Gross carrying amount | 2-4 (AA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (134,711.0) | (100,675.0) |
IFRS 9 | Gross carrying amount | 5-7 (A) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (237,206.0) | (182,214.0) |
IFRS 9 | Gross carrying amount | 8-10 (BBB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (319,971.0) | (336,023.0) |
IFRS 9 | Gross carrying amount | 11-13 (BB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (176,661.0) | (173,275.0) |
IFRS 9 | Gross carrying amount | 14-16 (B) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (45,750.0) | (43,035.0) |
IFRS 9 | Gross carrying amount | 17 (CCC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (4,742.0) | (12,244.0) |
IFRS 9 | Gross carrying amount | 18 (CC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (4,617.0) | (5,198.0) |
IFRS 9 | Gross carrying amount | 19 (C) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (1,919.0) | (2,116.0) |
IFRS 9 | Gross carrying amount | 20-22 (D) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (11,956.0) | (11,708.0) |
IFRS 9 | Gross carrying amount | Stage 1 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (937,633.0) | (885,222.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 1 (AAA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (87,071.0) | (100,885.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 2-4 (AA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (132,159.0) | (98,181.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 5-7 (A) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (231,018.0) | (177,617.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 8-10 (BBB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (302,967.0) | (321,308.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 11-13 (BB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (157,387.0) | (155,910.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 14-16 (B) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (26,414.0) | (23,649.0) |
IFRS 9 | Gross carrying amount | Stage 1 | 17 (CCC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (617.0) | (7,671.0) |
IFRS 9 | Gross carrying amount | Stage 2 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (75,454.0) | (70,725.0) |
Changes in models | 100.0 |  |
IFRS 9 | Gross carrying amount | Stage 2 | 1 (AAA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (439.0) | (284.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 2-4 (AA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (2,553.0) | (2,493.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 5-7 (A) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (6,188.0) | (4,596.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 8-10 (BBB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (17,004.0) | (14,714.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 11-13 (BB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (19,273.0) | (17,365.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 14-16 (B) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (19,336.0) | (19,386.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 17 (CCC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (4,125.0) | (4,572.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 18 (CC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (4,617.0) | (5,198.0) |
IFRS 9 | Gross carrying amount | Stage 2 | 19 (C) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (1,919.0) | (2,116.0) |
IFRS 9 | Gross carrying amount | Stage 3 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (11,956.0) | (11,708.0) |
IFRS 9 | Gross carrying amount | Stage 3 | 20-22 (D) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | (11,956.0) | (11,708.0) |
IFRS 9 | Accumulated impairments |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 5,839.0 | 6,101.0 |
IFRS 9 | Accumulated impairments | 1 (AAA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 1.0 | 2.0 |
IFRS 9 | Accumulated impairments | 2-4 (AA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 9.0 | 6.0 |
IFRS 9 | Accumulated impairments | 5-7 (A) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 30.0 | 27.0 |
IFRS 9 | Accumulated impairments | 8-10 (BBB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 108.0 | 127.0 |
IFRS 9 | Accumulated impairments | 11-13 (BB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 319.0 | 368.0 |
IFRS 9 | Accumulated impairments | 14-16 (B) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 618.0 | 639.0 |
IFRS 9 | Accumulated impairments | 17 (CCC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 242.0 | 202.0 |
IFRS 9 | Accumulated impairments | 18 (CC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 402.0 | 595.0 |
IFRS 9 | Accumulated impairments | 19 (C) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 221.0 | 293.0 |
IFRS 9 | Accumulated impairments | 20-22 (D) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 3,887.0 | 3,841.0 |
IFRS 9 | Accumulated impairments | Stage 1 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 517.0 | 581.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 1 (AAA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 1.0 | 2.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 2-4 (AA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 8.0 | 5.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 5-7 (A) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 24.0 | 23.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 8-10 (BBB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 85.0 | 98.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 11-13 (BB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 226.0 | 277.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 14-16 (B) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 164.0 | 168.0 |
IFRS 9 | Accumulated impairments | Stage 1 | 17 (CCC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 10.0 | 8.0 |
IFRS 9 | Accumulated impairments | Stage 2 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 1,435.0 | 1,679.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 2-4 (AA) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 2.0 | 1.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 5-7 (A) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 6.0 | 4.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 8-10 (BBB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 24.0 | 29.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 11-13 (BB) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 93.0 | 91.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 14-16 (B) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 455.0 | 471.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 17 (CCC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 233.0 | 194.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 18 (CC) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 402.0 | 595.0 |
IFRS 9 | Accumulated impairments | Stage 2 | 19 (C) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 221.0 | 293.0 |
IFRS 9 | Accumulated impairments | Stage 3 |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 3,887.0 | 3,841.0 |
IFRS 9 | Accumulated impairments | Stage 3 | Purchased credit impaired |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | 11.0 |  |
IFRS 9 | Accumulated impairments | Stage 3 | 20-22 (D) |  |  |
Disclosure of credit risk exposure [line items] |  |  |
Financial assets | € 3,887.0 | € 3,841.0 |

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