Acquisition (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		3 Months Ended					3 Months Ended			3 Months Ended		3 Months Ended		3 Months Ended			3 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013 Starbucks Spain [Member]	Sep. 29, 2013 Starbucks Chile [Member]	Jun. 30, 2013 Costa Rica Coffee Farm [Member]	Mar. 31, 2013 Teavana [Member]	Dec. 31, 2012 Teavana [Member]	Mar. 31, 2013 Teavana [Member] Trade Names [Member]	Mar. 31, 2013 Teavana [Member] Trade Secrets [Member]	Dec. 31, 2012 Teavana [Member] Trade Secrets [Member]	Mar. 31, 2013 Teavana [Member] Noncompete Agreements [Member]	Dec. 31, 2012 Teavana [Member] Noncompete Agreements [Member]	Sep. 30, 2012 La Boulange [Member]	Jul. 03, 2012 La Boulange [Member]	Sep. 30, 2012 La Boulange [Member] Trade Names [Member]	Sep. 30, 2012 La Boulange [Member] Trade Secrets [Member]	Jul. 03, 2012 La Boulange [Member] Trade Secrets [Member]	Jan. 01, 2012 Evolution Fresh, Inc. [Member]	Oct. 02, 2011 Switzerland And Austria [Member]	Jul. 03, 2011 Maxim S Caterers Limited [Member]
Business Acquisition [Line Items]
Acquired ownership interest in Starbucks Spain			49.00%
Cash paid for equity ownership in Starbucks Spain			$ 33
Ownership interest in Starbucks Chile sold to joint venture partner				82.00%
Purchase price of Chile joint venture sold				68.6
Gain on sale of interest in Starbucks Chile				45.9
Ownership interest acquired					100.00%		100.00%							100.00%					50.00%	30.00%
Cash paid for acquired entity					8.1	615.8							100.0					30.0	65.5
Acquisition date						Dec. 31, 2012							Jul. 03, 2012					Nov. 10, 2011
Reason for acquisition						to elevate our tea offerings as well as expand our domestic and global tea footprint							to elevate our core food offerings and build a premium, artisanal bakery brand
Contingent consideration receivable							12.2
Long-term debt repaid at closing							35.2
Indefinite-lived intangible assets acquired								105.5							9.7
Definite-lived intangible assets acquired										13.0		2.3					14.6		35.1
Definite-lived intangible assets, life (years)	9 years	10 years							10 years		3 years					10 years
Goodwill	463.8	77.5				467.5							58.7					18.0	63.8
Goodwill description						the intangible assets that do not qualify for separate recognition, primarily including Teavana's established global store presence in high traffic mall locations and other high-sales-volume retail venues, Teavana's global customer base, and Teavana's "Heaven of tea" retail experience in which store employees engage and educate customers about the ritual and enjoyment of tea
Ownership percentage in joint venture post acquisition																			100.00%
Gain on acquisition of Switzerland and Austria joint venture																			55
Fair value of net assets acquired																			$ 131
Ownership interest in Hong Kong joint venture sold																				5.00%