Segment Reporting (Revenue from External Customers by Products and Services) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total net revenues		$ 9,456.0	$ 9,113.9	$ 27,615.4	$ 27,102.3
Beverage Member
Segment Reporting Information [Line Items]
Total net revenues	[1]	5,752.0	5,528.0	16,723.8	16,384.4
Food Member
Segment Reporting Information [Line Items]
Total net revenues	[2]	1,787.5	1,744.5	5,269.9	5,084.4
Other Products Member
Segment Reporting Information [Line Items]
Total net revenues	[3]	$ 1,916.5	$ 1,841.4	$ 5,621.7	$ 5,633.5
Revenue Benchmark [Member] | Product type
Segment Reporting Information [Line Items]
Concentration Risk, Percentage		100.00%	100.00%	100.00%	100.00%
Revenue Benchmark [Member] | Beverage Member | Product type
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	[1]	61.00%	61.00%	61.00%	60.00%
Revenue Benchmark [Member] | Food Member | Product type
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	[2]	19.00%	19.00%	19.00%	19.00%
Revenue Benchmark [Member] | Other Products Member | Product type
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	[3]	20.00%	20.00%	20.00%	21.00%

[1] Beverage” represents sales within our company-operated stores.

[2] Food” represents sales within our company-operated stores.

[3] Other” primarily consists of packaged and single-serve coffees and teas, royalty and licensing revenues, beverage-related ingredients, and serveware, among other items.