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Risk management - Sensitivity analysis (Details) - EUR (€) € in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Netherlands |  |
Market Risk [Line Items] |  |
Value at risk | € 251 | € 310
Netherlands | Upside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 171 | € 214
Probability weighting | 20.00% | 20.00%
Netherlands | Upside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 100.00% | 130.00%
2025 | 320.00% | 330.00%
2026 | 310.00% | 280.00%
Netherlands | Upside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 380.00% | 370.00%
2025 | 340.00% | 330.00%
2026 | 330.00% | 330.00%
Netherlands | Upside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 900.00% | 1040.00%
2025 | 1880.00% | 1120.00%
2026 | 580.00% | 400.00%
Netherlands | Baseline scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 231 | € 282
Probability weighting | 60.00% | 60.00%
Netherlands | Baseline scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 60.00% | 80.00%
2025 | 150.00% | 160.00%
2026 | 160.00% | 150.00%
Netherlands | Baseline scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 400.00% | 410.00%
2025 | 410.00% | 430.00%
2026 | 430.00% | 450.00%
Netherlands | Baseline scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 620.00% | 90.00%
2025 | 530.00% | 300.00%
2026 | 370.00% | 390.00%
Netherlands | Downside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 393 | € 487
Probability weighting | 20.00% | 20.00%
Netherlands | Downside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 0.00% | (170.00%)
2025 | (120.00%) | (120.00%)
2026 | (60.00%) | 10.00%
Netherlands | Downside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 500.00% | 590.00%
2025 | 660.00% | 720.00%
2026 | 770.00% | 810.00%
Netherlands | Downside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 260.00% | (1090.00%)
2025 | (1110.00%) | (740.00%)
2026 | 80.00% | 370.00%
Germany |  |
Market Risk [Line Items] |  |
Value at risk | € 543 | € 525
Germany | Upside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 494 | € 472
Probability weighting | 20.00% | 20.00%
Germany | Upside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 70.00% | 140.00%
2025 | 320.00% | 310.00%
2026 | 240.00% | 160.00%
Germany | Upside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 280.00% | 260.00%
2025 | 240.00% | 200.00%
2026 | 190.00% | 170.00%
Germany | Upside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 70.00% | 90.00%
2025 | 640.00% | 660.00%
2026 | 790.00% | 800.00%
Germany | Baseline scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 533 | € 513
Probability weighting | 60.00% | 60.00%
Germany | Baseline scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 20.00% | 50.00%
2025 | 110.00% | 130.00%
2026 | 130.00% | 120.00%
Germany | Baseline scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 310.00% | 300.00%
2025 | 300.00% | 300.00%
2026 | 290.00% | 300.00%
Germany | Baseline scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | (40.00%) | (140.00%)
2025 | 300.00% | 340.00%
2026 | 450.00% | 450.00%
Germany | Downside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 626 | € 615
Probability weighting | 20.00% | 20.00%
Germany | Downside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | (50.00%) | (240.00%)
2025 | (200.00%) | (140.00%)
2026 | (60.00%) | 30.00%
Germany | Downside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 380.00% | 450.00%
2025 | 500.00% | 520.00%
2026 | 550.00% | 550.00%
Germany | Downside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | (180.00%) | (600.00%)
2025 | (190.00%) | (80.00%)
2026 | 70.00% | 40.00%
Belgium |  |
Market Risk [Line Items] |  |
Value at risk | € 599 | € 619
Belgium | Upside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 549 | € 568
Probability weighting | 20.00% | 20.00%
Belgium | Upside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 150.00% | 150.00%
2025 | 280.00% | 270.00%
2026 | 240.00% | 230.00%
Belgium | Upside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 500.00% | 530.00%
2025 | 480.00% | 500.00%
2026 | 470.00% | 490.00%
Belgium | Upside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 400.00% | 130.00%
2025 | 470.00% | 560.00%
2026 | 450.00% | 450.00%
Belgium | Baseline scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 588 | € 604
Probability weighting | 60.00% | 60.00%
Belgium | Baseline scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 120.00% | 90.00%
2025 | 150.00% | 150.00%
2026 | 170.00% | 180.00%
Belgium | Baseline scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 560.00% | 560.00%
2025 | 550.00% | 550.00%
2026 | 540.00% | 540.00%
Belgium | Baseline scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 350.00% | 40.00%
2025 | 390.00% | 520.00%
2026 | 400.00% | 390.00%
Belgium | Downside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 683 | € 713
Probability weighting | 20.00% | 20.00%
Belgium | Downside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 60.00% | (130.00%)
2025 | (80.00%) | (20.00%)
2026 | 60.00% | 120.00%
Belgium | Downside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 640.00% | 730.00%
2025 | 740.00% | 800.00%
2026 | 770.00% | 790.00%
Belgium | Downside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 240.00% | (220.00%)
2025 | 190.00% | 390.00%
2026 | 260.00% | 260.00%
United States |  |
Market Risk [Line Items] |  |
Value at risk | € 90 | € 165
United States | Upside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 50 | € 102
Probability weighting | 20.00% | 20.00%
United States | Upside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 270.00% | 180.00%
2025 | 320.00% | 320.00%
2026 | 350.00% | 340.00%
United States | Upside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 380.00% | 410.00%
2025 | 290.00% | 330.00%
2026 | 230.00% | 310.00%
United States | Upside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 520.00% | 60.00%
2025 | 600.00% | 870.00%
2026 | 820.00% | 870.00%
United States | Baseline scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 78 | € 144
Probability weighting | 60.00% | 60.00%
United States | Baseline scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 240.00% | 90.00%
2025 | 170.00% | 190.00%
2026 | 210.00% | 210.00%
United States | Baseline scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 410.00% | 450.00%
2025 | 410.00% | 450.00%
2026 | 410.00% | 440.00%
United States | Baseline scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 500.00% | (70.00%)
2025 | 280.00% | 350.00%
2026 | 260.00% | 330.00%
United States | Downside scenario |  |
Market Risk [Line Items] |  |
Un-weighted ECL | € 169 | € 292
Probability weighting | 20.00% | 20.00%
United States | Downside scenario | Real GDP |  |
Market Risk [Line Items] |  |
2024 | 170.00% | (130.00%)
2025 | (140.00%) | (140.00%)
2026 | (60.00%) | (10.00%)
United States | Downside scenario | Unemployment |  |
Market Risk [Line Items] |  |
2024 | 490.00% | 660.00%
2025 | 680.00% | 820.00%
2026 | 780.00% | 880.00%
United States | Downside scenario | HPI |  |
Market Risk [Line Items] |  |
2024 | 380.00% | (420.00%)
2025 | (280.00%) | (270.00%)
2026 | (390.00%) | (300.00%)

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