Financial risk management and financial instruments - Summary of Immediate Impact on Net Loss Before Tax (Details) - Currency risk - EUR (€) € in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Swedish krona (SEK) | ||
| Disclosure of nature and extent of risks arising from financial instruments [line items] | ||
| (Increase)/decrease in income (loss) before tax | € (16) | € (16) |
| British pound (GBP) | ||
| Disclosure of nature and extent of risks arising from financial instruments [line items] | ||
| (Increase)/decrease in income (loss) before tax | (11) | (20) |
| U.S. dollar (USD) | ||
| Disclosure of nature and extent of risks arising from financial instruments [line items] | ||
| (Increase)/decrease in income (loss) before tax | € 70 | € 60 |