Number of company shares sold

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- Definition

Number of members of supervisory board after Conversion, elected by shareholders

+ References

No definition available.

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- Definition

Number of shares in company intended to be retained in addition to 25 percent ownership

+ References

No definition available.

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- Definition

Percentage of ownership interest in company intended to be retained

+ References

No definition available.

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- Definition

The proportion of ownership interest in the reporting entity.

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No definition available.

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- Definition

Term of related party agreement to receive services

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No definition available.

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- Definition

The amount of related-party commitments made by the entity to do something if a particular event occurs or does not occur in the future, including executory contracts (recognised and unrecognised). [Refer: Total for all related parties [member]]

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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.

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- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]]

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Related party transactions - Service agreements and products - General (Details) € in Thousands				1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2025 item	Dec. 31, 2024	Dec. 31, 2010	Mar. 31, 2025 shares	Nov. 30, 2023	Dec. 31, 2025 EUR (€) item	Dec. 31, 2024 EUR (€)
Related party transactions
Number of members of supervisory board, elected by shareholders \| item	6					6
Vifor Fresenius Medical Care Renal Pharma Ltd.
Related party transactions
Ownership in associate (as a percent)	45.00%	45.00%	45.00%
Commitments made \| €						€ 226,723	€ 522,091
Vifor Fresenius Medical Care Renal Pharma Ltd. \| Less than 1 year
Related party transactions
Commitments made \| €						€ 226,723	€ 265,666
Fresenius SE Companies \| Minimum
Related party transactions
Term of related party agreement to receive services					1 year
Fresenius SE Companies \| Maximum
Related party transactions
Term of related party agreement to receive services					5 years	4 years
Fresenius SE
Related party transactions
Number of members of supervisory board, elected by shareholders \| item	1					1
Number of company shares sold \| shares				10,600,000
Proportion of ownership interest in reporting entity (as a percent), including treasury shares	27.80%					27.80%
Fresenius SE \| Minimum
Related party transactions
Percentage of ownership interest in company intended to be retained				25.00%
Number of shares in company intended to be retained in addition to 25% ownership \| shares				1