Document and Entity Information	3 Months Ended
	Sep. 30, 2011	Oct. 13, 2011
Document And Entity Information
Entity Registrant Name	BayHill Capital Corporation
Entity Central Index Key	0000726293
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		4,154,841
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2011