XML 213 R169.htm IDEA: XBRL DOCUMENT v3.22.4

Provisions, income tax liabilities and other liabilities - Summary of Sensitivity for Pensions and Other Post-Employment Benefits to Changes in Key Actuarial Assumptions (Details) € in Millions	12 Months Ended
	Dec. 31, 2022 EUR (€)
Discount rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Possible decrease in actuarial assumption	(0.50%)
General inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Possible increase in actuarial assumption	0.50%
Pension benefit indexation
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Possible increase in actuarial assumption	0.50%
Healthcare cost inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Possible increase in actuarial assumption	0.50%
Mortality table
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Possible increase in mortality table (in years)	1 year
France | Discount rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	€ 72
France | General inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	47
France | Pension benefit indexation
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	51
France | Healthcare cost inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	0
France | Mortality table
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	61
Germany | Discount rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	162
Germany | General inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	306
Germany | Pension benefit indexation
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	200
Germany | Healthcare cost inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	2
Germany | Mortality table
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	51
US | Discount rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	75
US | General inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	0
US | Pension benefit indexation
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	0
US | Healthcare cost inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	6
US | Mortality table
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	19
UK | Discount rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	136
UK | General inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	75
UK | Pension benefit indexation
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	53
UK | Healthcare cost inflation rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	0
UK | Mortality table
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Measurement of defined-benefit obligation	€ 74

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 145
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_145_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The reasonably possible percentage of the decrease in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 145
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_145_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 145
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_145_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Possible increase in mortality table in years.

+ References

No definition available.

+ Details

Name:	sny_PossibleIncreaseInMortalityTableInYears
Namespace Prefix:	sny_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ActuarialAssumptionsAxis=ifrs-full_ActuarialAssumptionOfDiscountRatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ActuarialAssumptionsAxis=ifrs-full_ActuarialAssumptionOfExpectedRatesOfInflationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ActuarialAssumptionsAxis=ifrs-full_ActuarialAssumptionOfExpectedRatesOfPensionIncreasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ActuarialAssumptionsAxis=ifrs-full_ActuarialAssumptionOfMedicalCostTrendRatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ActuarialAssumptionsAxis=sny_ActuarialAssumptionOfMortalityTableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=country_FR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=country_DE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=country_GB
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: