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Income tax expense - Summary of Allocation of Income Tax Expense Between Current and Deferred Taxes (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Abstract]
Current taxes	€ (2,774)	€ (1,908)	€ (1,913)
Deferred taxes	768	350	106
Total	(2,006)	(1,558)	(1,807)	[1]
Income before tax and investments accounted for using the equity method	€ 10,422	€ 7,798	€ 13,778	[1]
[1] Includes the impacts of the IFRIC final agenda decisions of March 2021 on the costs of configuring or customising application software used in a Software as a Service (SaaS) arrangement and of April 2021 on the attribution of benefits to periods of service, as described in Note A.2.1. to the consolidated financial statements for the year ended December 31, 2021.

X

- Definition

The amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

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The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; 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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Income before tax and investments accounted for equity method investments.

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Income Taxes [Abstract]

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