Revenue - Schedule of Revenue (Details) - USD ($)	3 Months Ended	9 Months Ended
Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Total Revenue	$ 14,622	$ 23,070	$ 28,815	$ 61,453
Consultancy Service Provided [Member]
Total Revenue			$ 28,815	$ 61,453

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details