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Basis of preparation (Details) € in Millions, vaccine_dose in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2020 vaccine_dose | Dec. 31, 2023 EUR (€) scenario emission | Dec. 31, 2022 EUR (€) | Dec. 31, 2021 EUR (€)
Disclosure of initial application of standards or interpretations [line items] |  |  |  |
Average effective tax rate |  | 22.40% | 19.20% | 20.00%
Increase in effective tax rate |  | 1.50% |  |
Planet Care Program, net emissions by 2045 | emission |  | 0 |  |
Planet Care Program, percentage of reduction in scope 1 and 2 greenhouse gas by 2030 |  | 55.00% |  |
Planet Care Program, percentage of reduction in scope 3 greenhouse gas by 2030 |  | 30.00% |  |
Planet Care Program, percentage of reduction in all scopes greenhouse gas by 2030 |  | 90.00% |  |
Planet Care Program, percentage of renewably-sourced energy in all sites by 2030 |  | 100.00% |  |
Planet Care Program, number of global warming scenarios | scenario |  | 3 |  |
Other revenues |  | € 3,374 | € 2,392 | € 1,414
Current contract liabilities |  | € 0 | 269 | 321
Maximum |  |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |  |
Average effective tax rate |  | 15.00% |  |
Collaboration agreement with GSK |  |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |  |
Other revenues |  | € 269 | 85 | 0
Current contract liabilities |  |  | 269 | 319
Other revenue, doses no longer an obligation to be delivered |  | 94 |  |
Collaboration agreement with GSK | US Government |  |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |  |
Number of vaccine doses to be supplied | vaccine_dose | 100 |  |  |
Other revenues |  | 411 |  |
Government grant recognised as deduction from development expenses |  | € 59 | € 265 | € 147
Argentina |  |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |  |
Cumulative inflation rate over three years |  | 100.00% |  |
Turkey |  |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |  |
Cumulative inflation rate over three years |  | 100.00% |  |

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