Document and Entity Information	3 Months Ended
	Dec. 31, 2017 shares
Document and Entity Information:
Entity Registrant Name	GRCR Partners Inc
Document Type	10-Q
Document Period End Date	Dec. 31, 2017
Trading Symbol	grcr
Amendment Flag	false
Entity Central Index Key	0001661600
Current Fiscal Year End Date	--09-30
Entity Common Stock, Shares Outstanding	2,926,500
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	2018
Document Fiscal Period Focus	Q1