Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Total net revenues	$ 7,496.5	$ 4,222.1	$ 20,913.9	$ 17,314.9
Product and distribution costs	2,206.0	1,484.0	6,247.5	5,718.2
Store operating expenses	2,966.9	2,537.8	8,657.6	8,080.7
Other operating expenses	71.4	133.6	250.8	330.3
Depreciation and amortization expenses	354.3	361.0	1,087.0	1,068.3
General and administrative expenses	494.9	399.9	1,431.4	1,240.6
Restructuring and impairments	19.8	78.1	115.0	83.7
Total operating expenses	6,113.3	4,994.4	17,789.3	16,521.8
Income from equity investees	105.5	68.4	265.3	210.3
Operating income/(loss)	1,488.7	(703.9)	3,389.9	1,003.4
Interest income and other, net	36.0	12.7	68.6	30.7
Interest expense	(113.4)	(120.8)	(349.2)	(312.1)
Earnings/(loss) before income taxes	1,411.3	(812.0)	3,109.3	722.0
Income tax expense/(benefit)	257.1	(133.9)	673.6	190.0
Net earnings/(loss) including noncontrolling interests	1,154.2	(678.1)	2,435.7	532.0
Net earnings/(loss) attributable to noncontrolling interests	0.8	0.3	0.8	(3.7)
Net earnings/(loss) attributable to Starbucks	$ 1,153.4	$ (678.4)	$ 2,434.9	$ 535.7
Earnings/(loss) per share — basic	$ 0.98	$ (0.58)	$ 2.07	$ 0.46
Earnings/(loss) per share — diluted	$ 0.97	$ (0.58)	$ 2.06	$ 0.45
Weighted average shares outstanding:
Basic	1,178.5	1,168.5	1,177.0	1,173.6
Diluted	1,186.2	1,168.5	1,184.7	1,182.7
Company-operated stores [Member]
Total net revenues	$ 6,363.1	$ 3,444.4	$ 17,742.8	$ 13,991.0
Licensed stores [Member]
Total net revenues	680.2	300.5	1,889.0	1,782.4
Product and Service, Other [Member]
Total net revenues	$ 453.2	$ 477.2	$ 1,282.1	$ 1,541.5