Income taxes - Income tax expense (Detail) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income taxes [Line Items]
Profit (loss) before tax	€ (1,731)	€ 509	€ 1,211
Share of profit (loss) of associates and joint ventures accounted for using equity method	(2)	(4)	(9)
Income before taxes continuing operations	(1,729)	513	1,220
Current tax expense (income) and adjustments for current tax of prior periods	(97)	298	380
Deferred tax expense (income) recognised in profit or loss	210	401	167
Tax expense (income)	€ (113)	€ (103)	€ 212

The amount of current tax expense (income) and adjustments for the current tax of prior periods. [Refer: Current tax expense (income); Adjustments for current tax of prior periods]

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The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]

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The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]

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The profit (loss) before tax expense or income. [Refer: Profit (loss)]

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