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Income tax - Schedule of Tax Loss Carry-forwards Expected To Expire (Details) € in Millions | Dec. 31, 2020 EUR (€)
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Tax Losses Carried Forward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | € 2,196
Research and Development Credit Carryforward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 28
Foreign Tax Credits |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 2
2021-2030 | Tax Losses Carried Forward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 0
2021-2030 | Research and Development Credit Carryforward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 0
2021-2030 | Foreign Tax Credits |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 2
2031 and Onwards | Tax Losses Carried Forward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 695
2031 and Onwards | Research and Development Credit Carryforward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 28
2031 and Onwards | Foreign Tax Credits |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 0
Unlimited | Tax Losses Carried Forward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 1,501
Unlimited | Research and Development Credit Carryforward |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | 0
Unlimited | Foreign Tax Credits |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
Tax loss carry-forwards expected to expire | € 0

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