For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Description of the types of products and services from which the reportable segment derives its revenue.

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-Name Accounting Standards Codification
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-Paragraph 21
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Description of the factors used to identify reportable segments, including the basis of organization (for example, whether management has chosen to organize the enterprise around differences in products and services, geographic areas, regulatory environments, or a combination of factors and whether operating segments have been aggregated to reportable segments).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Disclosure of the extent of enterprise reliance on its major customers. For example, includes revenues from transactions with a single external customer amounting to 10 percent or more of the entity's revenues, the total amount of revenues from each such customer, and the identity of the segment or segments reporting the revenues. A group of entities that the entity knows to be under common control generally will be considered a single customer for inclusion in this item. The federal government, a state government, a local government (for example, a county or municipality), or a foreign government each will generally be considered as a single customer for inclusion in this item.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Segment Reporting (Narrative) (Details)	12 Months Ended
Segment Reporting (Narrative) (Details)	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014
Segment Reporting Information [Line Items]
Basis for segment information	Our chief executive officer and chief operating officer comprise the Company's Chief Operating Decision Maker function ("CODM"). Segment information is prepared on the same basis that our CODM manages the segments, evaluates financial results, and makes key operating decisions.
Number of reportable operating segments	4
Disclosure of significant customers	No customer accounts for 10% or more of our revenues
Total net revenues [Member]
Segment Reporting Information [Line Items]
Percentage of revenue from other countries	100.00%	100.00%	100.00%
Total net revenues [Member] \| Japan Canada China and UK [Member]
Segment Reporting Information [Line Items]
Percentage of revenue from other countries	77.00%
Operating Segments [Member] \| Americas [Member]
Segment Reporting Information [Line Items]
Description of segment products and services	Americas, CAP, and EMEA operations sell coffee and other beverages, complementary food, packaged coffees, single-serve coffee products and a focused selection of merchandise through company-operated stores and licensed stores.
Operating Segments [Member] \| China/Asia Pacific [Member]
Segment Reporting Information [Line Items]
Description of segment products and services	Americas, CAP and EMEA operations sell coffee and other beverages, complementary food, packaged coffees, single-serve coffee products and a focused selection of merchandise through company-operated stores and licensed stores.
Operating Segments [Member] \| EMEA [Member]
Segment Reporting Information [Line Items]
Description of segment products and services	Americas, CAP and EMEA operations sell coffee and other beverages, complementary food, packaged coffees, single-serve coffee products and a focused selection of merchandise through company-operated stores and licensed stores.
Operating Segments [Member] \| Channel Development [Member]
Segment Reporting Information [Line Items]
Description of segment products and services	Channel Development operations sell a selection of packaged coffees and single-serve products, as well as a selection of premium Tazo® teas globally. Channel Development operations also produce and sell a variety of ready-to-drink beverages, such as Frappuccino® coffee drinks, Starbucks Doubleshot® espresso drinks, Starbucks Refreshers® beverages and chilled multi-serve beverages. The U.S. foodservice business, which is included in the Channel Development segment, sells coffee and other related products to institutional foodservice companies.