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Combined earnings per share (Details) - EUR (€) € / shares in Units, € in Millions, shares in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings per share [line items]
Basic earnings per share (in euros per share)	€ 3.00	€ 2.33	€ 2.13
Diluted earnings per share (in euros per share)	2.99	2.32	2.12
Underlying earnings per share (in euros per share)	€ 2.57	€ 2.62	€ 2.48
Average number of shares - used for basic earnings per share (in shares)	2,548.2	2,599.9	2,620.3
Treasury shares held by employee share trusts and companies (in shares)	(81.0)	(29.3)	(8.9)
Dilutive effect of share-based compensation plans (in shares)	11.6	9.7	9.5
Diluted average number of shares - used for diluted and underlying earnings per share (in shares)	2,559.8	2,609.6	2,629.8
Net profit	€ 8,269	€ 6,621	€ 6,073
Non-controlling interests	(627)	(572)	(492)
Net profit attributable to shareholders’ equity – used for basic and diluted earnings per share	7,642	6,049	5,581
Post-tax impact of non-underlying items	(1,074)	790	951
Underlying profit attributable to shareholders’ equity – used for underlying earnings per share	€ 6,568	€ 6,839	€ 6,532
Unilever PLC
Earnings per share [line items]
Average number of shares - used for basic earnings per share (in shares)	2,629.2	2,629.2	1,351.1
Unilever N.V.
Earnings per share [line items]
Average number of shares - used for basic earnings per share (in shares)	0.0	0.0	1,278.1

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The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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