Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Apr. 01, 2018	Mar. 31, 2019	Apr. 01, 2018
Revenues	$ 6,305.9	$ 6,031.8	$ 12,938.7	$ 12,105.5
Cost of sales including occupancy costs	2,603.8	2,514.7	5,362.5	5,016.4
Store operating expenses	1,949.6	1,789.6	3,942.6	3,526.5
Other operating expenses	82.3	120.8	175.6	250.3
Depreciation and amortization expenses	356.2	331.6	689.6	590.4
General and administrative expenses	475.6	420.6	938.9	813.1
Restructuring, Settlement and Impairment Provisions	43.0	134.7	86.2	162.3
Total operating expenses	5,510.5	5,312.0	11,195.4	10,359.0
Income from equity investees	62.3	52.7	130.1	142.1
Operating income	857.7	772.5	1,873.4	1,888.6
Gain resulting from acquisition of joint venture	0.0	47.6	0.0	1,373.9
Gain (Loss) on Disposition of Business	21.0	(4.9)	21.0	496.3
Interest income and other, net	15.2	35.5	39.9	123.7
Interest expense	(73.9)	(35.1)	(148.9)	(61.0)
Earnings before income taxes	820.0	815.6	1,785.4	3,821.5
Income Tax Expense (Benefit)	161.2	155.8	366.4	911.6
Net earnings including noncontrolling interests	658.8	659.8	1,419.0	2,909.9
Net earnings/(loss) attributable to noncontrolling interests	(4.4)	(0.3)	(4.6)	(0.4)
Net earnings attributable to Starbucks	$ 663.2	$ 660.1	$ 1,423.6	$ 2,910.3
Earnings per share - basic	$ 0.54	$ 0.47	$ 1.15	$ 2.07
Earnings per share - diluted	$ 0.53	$ 0.47	$ 1.14	$ 2.05
Weighted average shares outstanding:
Basic	1,239.2	1,394.9	1,240.6	1,407.9
Diluted	1,250.7	1,406.6	1,252.1	1,420.5
Cash dividends declared per share	$ 0.360	$ 0.300	$ 0.720	$ 0.600
Company-operated stores [Member]
Revenues	$ 5,159.0	$ 4,828.0	$ 10,529.3	$ 9,569.8
Licensed stores [Member]
Revenues	678.2	625.6	1,415.3	1,308.0
Product and Service, Other [Member]
Revenues	$ 468.7	$ 578.2	$ 994.1	$ 1,227.7