Cover Page - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 03, 2021	Nov. 12, 2021	Mar. 28, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Oct. 03, 2021
Document Transition Report	false
Entity File Number	0-20322
Entity Registrant Name	Starbucks Corporation
Entity Incorporation, State or Country Code	WA
Entity Tax Identification Number	91-1325671
Entity Address, Address Line One	2401 Utah Avenue South
Entity Address, City or Town	Seattle
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98134
City Area Code	206
Local Phone Number	447-1575
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	SBUX
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 129,300.0
Entity Common Stock, Shares Outstanding		1,173.2
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0000829224
Current Fiscal Year End Date	--10-03