Receivables - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Receivables [Abstract] | ||
| CHS Capital short-term notes receivable, term | 12 months | |
| Long-term notes receivable, term | 10 years | |
| CHS Capital long-term notes receivable | $ 164.1 | $ 123.8 |
| Percentage of commercial notes to CHS Capital long-term notes receivable | 26.00% | 24.00% |
| Percentage of producer notes to CHS Capital long-term notes receivable | 74.00% | 76.00% |
| CHS Capital additional available credit to customers | $ 1,000.0 | |
| Interest income accrual, discontinued, term | 90 days | |
| Note receivables sold under loan participations | $ 44.4 | $ 48.8 |