Equity - Retained earnings additional information (Details) - EUR (€) € / shares in Units, shares in Thousands, € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of equity [Line Items] | |||
| Cash dividend paid | € 3,191 | € 3,626 | € 2,668 |
| Other cash distributions | 500 | 498 | 0 |
| Purchased under Share buyback programme | € 3,641 | € 3,774 | € 3,482 |
| 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 | € (1,458) | € (5,723) | € (3,217) |