XML 88 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1

Description of Business - Additional Information (Details)	12 Months Ended
	Mar. 31, 2018
Disclosure Of Business Description [Abstract]
Country of incorporation	Canada

X

- Definition

Business description .

+ References

No definition available.

+ Details

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Namespace Prefix:	cgc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The country in which the entity is incorporated.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 138
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_138_a&doctype=Standard
-URIDate 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration