Financial Risks - Summary of Group Limits Per Credit Rating (Detail) € in Millions, $ in Millions |
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
EUR (€)
|
|---|---|---|
| AAA [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | $ 750 | € 900 |
| AA [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | 750 | 900 |
| A [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | 575 | 675 |
| BBB [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | 375 | 450 |
| BB [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | 225 | 250 |
| B [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | 110 | 125 |
| CCC or lower [member] | ||
| Disclosure of group limits per credit rating [line items] | ||
| Group limits per credit rating | $ 45 | € 50 |