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Equity - Retained earnings additional information (Details) - EUR (€) € / shares in Units, shares in Thousands, € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of equity [Line Items] |  |  |
Dividends recognised as distributions to owners | € 3,626 | € 2,668 | € 2,178
Other cash distributions | 498 | 0 | 1,171
Purchased under Share buyback programme | € 3,774 | € 3,482 | € 1,721
Authorised share capital, ordinary shares (in shares) | 9,142,000 | 9,142,000 | 9,142,000
Increased dividend percentage | 2.585% |  |
Cumulative preference shares |  |  |
Disclosure of equity [Line Items] |  |  |
Authorised share capital, ordinary shares (in shares) | 4,600,000 |  |
Par value (in EUR per share) | € 0.01 |  |
ING Group |  |  |
Disclosure of equity [Line Items] |  |  |
Purchased under Share buyback programme | € (5,723) | € (3,217) | € (1,983)

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