Document and Entity Information - USD ($)	12 Months Ended
	Aug. 31, 2016	Oct. 31, 2016	Feb. 29, 2016
Document and Entity Information:
Entity Registrant Name	Jewett Cameron Trading Co LTD.
Document Type	10-K
Document Period End Date	Aug. 31, 2016
Amendment Flag	false
Entity Central Index Key	0000885307
Current Fiscal Year End Date	--08-31
Entity Common Stock, Shares Outstanding		2,286,294
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY
Entity Public Float			$ 14,406,595
Entity Incorporation, State Country Name	British Columbia
Entity Incorporation, Date of Incorporation	Jul. 08, 1987
Trading Symbol	jctcf