DISCONTINUED OPERATIONS - Narrative (Details) $ in Millions	12 Months Ended
Jul. 31, 2021 USD ($)
Operating Segments \| Wholesale \| Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 22

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details