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Provisions, income tax liabilities and other liabilities - Summary of Net Pre-tax Actuarial Loss (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]
Net pre-tax actuarial loss	€ (2,090)	€ (2,738)	€ (3,423)

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Net pretax actuarial loss excluding associates and joint ventures recognized directly in equity.

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