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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Apr. 30, 2021
Jul. 31, 2020
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 200,000,000 200,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 331,917,500 331,917,500
Common stock, shares outstanding 331,917,500 331,917,500