Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Mar. 29, 2020	Mar. 31, 2019
Revenues	$ 5,995.7	$ 6,305.9	$ 13,092.8	$ 12,938.7
Cost of Goods and Services Sold	1,997.7	2,012.0	4,234.2	4,187.8
Store operating expenses	2,721.4	2,554.1	5,542.9	5,140.9
Other operating expenses	95.0	87.1	196.7	184.9
Depreciation and amortization expenses	356.3	356.2	707.4	689.6
General and administrative expenses	406.5	458.1	840.7	906.0
Restructuring, Settlement and Impairment Provisions	(0.7)	43.0	5.6	86.2
Total operating expenses	5,576.2	5,510.5	11,527.5	11,195.4
Income from equity investees	67.9	62.3	141.9	130.1
Operating income	487.4	857.7	1,707.2	1,873.4
Gain (Loss) on Disposition of Business	0.0	21.0	0.0	21.0
Interest income and other, net	2.0	15.2	18.0	39.9
Interest expense	(99.2)	(73.9)	(191.1)	(148.9)
Earnings before income taxes	390.2	820.0	1,534.1	1,785.4
Income Tax Expense (Benefit)	65.4	161.2	324.0	366.4
Net earnings including noncontrolling interests	324.8	658.8	1,210.1	1,419.0
Net earnings/(loss) attributable to noncontrolling interests	(3.6)	(4.4)	(4.0)	(4.6)
Net earnings attributable to Starbucks	$ 328.4	$ 663.2	$ 1,214.1	$ 1,423.6
Earnings per share - basic	$ 0.28	$ 0.54	$ 1.03	$ 1.15
Earnings per share - diluted	$ 0.28	$ 0.53	$ 1.02	$ 1.14
Weighted average shares outstanding:
Basic	1,171.8	1,239.2	1,176.1	1,240.6
Diluted	1,180.7	1,250.7	1,185.8	1,252.1
Company-operated stores [Member]
Revenues	$ 4,766.0	$ 5,159.0	$ 10,546.6	$ 10,529.3
Licensed stores [Member]
Revenues	689.8	678.2	1,481.9	1,415.3
Product and Service, Other [Member]
Revenues	$ 539.9	$ 468.7	$ 1,064.3	$ 994.1