Document And Entity Information - shares shares in Millions	6 Months Ended
	Apr. 01, 2018	Apr. 25, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 01, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Trading Symbol	SBUX
Entity Registrant Name	STARBUCKS CORP
Entity Central Index Key	0000829224
Current Fiscal Year End Date	--09-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,380.0