Name:	fms_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseFromDefinedContributionByEmployer
Namespace Prefix:	fms_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of defined contribution vested to eligible participants.

No definition available.

Name:	fms_EmployeeBenefitPlanDefinedContributionsVestingPercentage
Namespace Prefix:	fms_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represent the number of years of services completed by eligible participant to receive a defined contribution allocation.

No definition available.

Name:	fms_EmployeeBenefitPlanMinimumServicePeriodForPlanAllocationDefinedContributions
Namespace Prefix:	fms_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the threshold number of years of service to be completed to be eligible to participate in defined contribution.

No definition available.

Name:	fms_EmployeeBenefitPlanThresholdServicePeriodForPlanEligibilityDefinedContributions
Namespace Prefix:	fms_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1