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Related party transactions (Tables) | 12 Months Ended
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Dec. 31, 2022
Related Party [Abstract] |
Schedule of Compensation Paid to Key Management Personnel | The table below shows, by type, the compensation paid to key management personnel:
(€ million) | 2022 | 2021 |  | 2020 | (a)
Short-term benefits(b) | 31 |  | 33 |  |  | 36 |  |
Post-employment benefits | 2 |  | 2 |  |  | 3 |  |
Share-based payment | 19 |  | 20 |  |  | 18 |  |
Total recognized in profit or loss | 52 |  | 55 |  |  | 57 |  |
(a) Includes the impact of the April 2021 IFRIC agenda decision on the allocation of benefits to service periods (see Note A.2.1. to the consolidated financial statements for the year ended December 31, 2021). (b) Compensation, employer’s social security contributions, directors’ attendance fees, and any termination benefits (net of reversals of termination benefit obligations).
Summary of Aggregate Amounts Payable to Key Management Personnel | The table below shows the aggregate obligation as of December 31 for each period presented for individuals who hold or have held executive positions within Sanofi during that period.
(€ million) | 2022 | 2021 |  | 2020 | (a)
Aggregate top-up pension obligation in favor of certain corporate officers and of Executive Committee members | 10 |  | 28 |  |  | 32 |  |
Aggregate termination benefits and lump-sum retirement benefits in favor of key management personnel | 5 |  | 7 |  |  | 5 |  |
(a) Includes the impact of the April 2021 IFRIC agenda decision on the allocation of benefits to service periods (see Note A.2.1. to the consolidated financial statements for the year ended December 31, 2021).

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- Definition The disclosure of amounts incurred by the entity for provision of key management personnel services that are provided by separate management entities. [Refer: Key management personnel of entity or parent [member]; Separate management entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2021-01-01 -Paragraph 18A -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18A&doctype=Standard -URIDate 2021-03-24 + Details
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