Significant judgments and sources of estimation uncertainties - Trade accounts and other receivables from unrelated parties and expected credit losses (Details) |
12 Months Ended |
|---|---|
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Dec. 31, 2025
country
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| Trade accounts and other receivables from unrelated parties and expected credit losses | |
| Number of countries Company sells health care products | 140 |
| Number of countries Company operates dialysis clinics | 30 |
| Additional percentage of uncollectible receivables for sensitivity analysis | 1.00% |
| Percentage of operating income reduced, if 1% of trade accounts receivable were uncollectible | 1.80% |
| Care Delivery | United States | |
| Trade accounts and other receivables from unrelated parties and expected credit losses | |
| Number of days collection process started, after service is provided or upon the expiration of the time provided by contract | 30 days |