FAIR VALUE (Details) - USD ($)	Oct. 31, 2021	Oct. 31, 2020
Fair value
Financial Assets	$ 39,076	$ 56,050
Financial Liabilities	732,801	816,478
Accounts Payable \| Carrying Amount
Fair value
Financial Liabilities	923,550	772,795
Fair Value, Measurements, Recurring \| Accounts Payable \| Estimate of Fair Value Measurement
Fair value
Financial Liabilities	923,550	772,795
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring \| Accounts Payable
Fair value
Financial Liabilities	923,550	772,795
Corn Contracts \| Carrying Amount
Fair value
Financial Assets	39,067
Financial Liabilities	732,801	816,478
Corn Contracts \| Fair Value, Measurements, Recurring \| Estimate of Fair Value Measurement
Fair value
Financial Assets	39,067
Financial Liabilities	732,801	816,478
Corn Contracts \| Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring
Fair value
Financial Assets	39,067
Financial Liabilities	$ 732,801	816,478
Ethanol Contracts \| Carrying Amount
Fair value
Financial Assets		56,050
Ethanol Contracts \| Fair Value, Measurements, Recurring \| Estimate of Fair Value Measurement
Fair value
Financial Assets		56,050
Ethanol Contracts \| Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring
Fair value
Financial Assets		$ 56,050

Granite Falls Energy, LLC 10-K