Earnings per share - Disclosure of reconciliation of basic earnings per share (Details) - EUR (€) € / shares in Units, shares in Thousands, € in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings per share [abstract]
Owners of the parent	€ 5,473	€ 18,596	€ 16,799
Weighted average number of shares outstanding (in shares)	2,949,652	3,107,725	3,140,089
Basic earnings per share (in EUR per share)	€ 1.86	€ 5.98	€ 5.35

The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

+ References

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