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Derivative Financial Instruments and Risk Management Policies - Interest Rate Risk (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Financial Instruments [Abstract] |  |
Percentage of net debt plus commitments pegged to fixed interest rates for a period greater than one year | 88.30% | 95.40%
Percentage of net debt at floating rates or at fixed rates maturing in under one year | 11.70% |
Net financial expenses | € (1,313) |
Decrease in net financial results from prior year | € 51 |

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