Related party transactions - Service agreements and products - General (Details) |
1 Months Ended | 9 Months Ended | |
|---|---|---|---|
Dec. 31, 2010 |
Mar. 31, 2025
shares
|
Sep. 30, 2025
item
|
|
| Related party transactions | |||
| Number of members of supervisory board, elected by shareholders | item | 6 | ||
| Vifor Fresenius Medical Care Renal Pharma Ltd. | |||
| Related party transactions | |||
| Ownership in associate (as a percent) | 45.00% | ||
| Fresenius SE Companies | Maximum | |||
| Related party transactions | |||
| Term of related party agreement to receive services | 4 years | ||
| Fresenius SE | |||
| Related party transactions | |||
| Number of members of supervisory board, elected by shareholders | item | 1 | ||
| Number of company shares sold | shares | 10,600,000 | ||
| Proportion of ownership interest in reporting entity (as a percent), including treasury shares | 28.30% | ||
| 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 |