Summary of Significant Accounting Policies (Details) - Schedule of derivative financial instruments measured at fair value using significant unobservable inputs - USD ($)	Jul. 31, 2021	Jul. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Convertible promissory notes derivative liability	$ 16,773,383	$ 606,123
Quoted prices in active markets for identical liabilities (Level 1) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Convertible promissory notes derivative liability
Significant other observable inputs (Level 2) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Convertible promissory notes derivative liability
Significant unobservable inputs (Level 3) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Convertible promissory notes derivative liability	$ 16,773,383	$ 606,123