Acquisition of Natural Plant Extract of California, Inc. (Details 1) - Pro Forma [Member] - USD ($)	12 Months Ended
	Aug. 31, 2021	Aug. 31, 2020
Revenue	$ 2,550,677	$ 885,548
Operating loss	(2,714,164)	(3,876,919)
Net loss attributable to common shareholders of Cannabis Global	$ (9,262,610)	$ (5,353,047)
Net loss per common share	$ (0.14)	$ (0.31)