Interests in associates - Summarized balance sheets (Details) - EUR (€) € in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Interests in associates
Current assets	€ 7,898,400	€ 7,922,744
Non-current assets	23,103,933	25,643,835
Current liabilities	6,245,103	5,660,060
Non-current liabilities	10,474,421	12,138,006
Vifor Fresenius Medical Care Renal Pharma Ltd.
Interests in associates
Current assets	824,062	914,502
Non-current assets	439,909	518,589
Current liabilities	277,103	480,640
Non-current liabilities	32,534	34,116
Net assets	€ 954,334	€ 918,335	€ 893,505

The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets]

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