Concentration of Risk - Schedule of Concentration of Risk (Details) - USD ($)	3 Months Ended	9 Months Ended
Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Revenue	$ 14,622	$ 23,070	$ 28,815	$ 61,453
Cost of Revenue	12,946	7,151	$ 43,131	$ 38,865
Percentage of Revenue			100.00%	100.00%
Accounts Receivable, Trade	9,885	28,198	$ 9,885	$ 28,198
Vendor A [Member]
Accounts Payable, Trade		15,979		15,979
Revenue Benchmark [Member] \| Customer A [Member]
Revenue			$ 22,724	$ 61,453
Percentage of Revenue			79.00%	100.00%
Accounts Receivable, Trade	9,885	28,198	$ 9,885	$ 28,198
Revenue Benchmark [Member] \| Customer B [Member]
Revenue			$ 6,091
Percentage of Revenue			21.00%
Accounts Receivable, Trade
Revenue Benchmark [Member] \| Vendor A [Member]
Cost of Revenue			$ 43,131	$ 38,865
Percentage of Revenue			100.00%	100.00%
Accounts Payable, Trade		$ 15,979		$ 15,979

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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+ Details

- Definition

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