Total net investment result - Summary of Total Net Investment Result (Detail) - EUR (€) € in Millions |
6 Months Ended | ||||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
[1] | |||
| Total Insurance, Other And Financing Net Investment Results [Line Items] | |||||
| Total net investment result | € 346 | € 465 | |||
| Insurance Net Investment Result [Member] | |||||
| Total Insurance, Other And Financing Net Investment Results [Line Items] | |||||
| Total net investment result | 313 | 393 | |||
| Other Net Investment Result [Member] | |||||
| Total Insurance, Other And Financing Net Investment Results [Line Items] | |||||
| Total net investment result | 125 | 163 | |||
| Financing Net Investment Result [Member] | |||||
| Total Insurance, Other And Financing Net Investment Results [Line Items] | |||||
| Total net investment result | € (92) | € (91) | |||
| |||||