Document And Entity Information - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 29, 2019	Jan. 22, 2020	Sep. 29, 2019
Cover page.
Operating Lease, Liability, Current	$ 1,268.9		$ 0.0
Current Fiscal Year End Date	--09-27
Entity Information [Line Items]
Entity Incorporation, State or Country Code	WA
Title of 12(b) Security	Common Stock, par value $0.001 per share
Document Type	10-Q
Document Quarterly Report	true
Amendment Flag	false
Document Period End Date	Dec. 29, 2019
Document Transition Report	false
Entity File Number	0-20322
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Trading Symbol	SBUX
Entity Central Index Key	0000829224
Current Fiscal Year End Date	--09-27
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		1,173.7
Entity Registrant Name	Starbucks Corporation
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
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Security Exchange Name	NASDAQ
Entity Tax Identification Number	91-1325671
Document Information [Line Items]
Entity Shell Company	false
Operating Lease, Liability, Current	$ 1,268.9		$ 0.0