Segment Reporting (Consolidated Revenue Mix By Product Type) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Sep. 29, 2019	Sep. 30, 2018	Oct. 01, 2017
Revenue from External Customer [Line Items]
Revenues	$ 6,747.0	$ 6,823.0	$ 6,305.9	$ 6,632.7	$ 6,303.6	$ 6,310.3	$ 6,031.8	$ 6,073.7	$ 26,508.6	$ 24,719.5	$ 22,386.8
Beverage Member
Revenue from External Customer [Line Items]
Revenues									15,921.2	14,463.1	12,915.0
Food Member
Revenue from External Customer [Line Items]
Revenues									4,792.8	4,397.7	3,832.1
Packaged and Single Serve Coffees and Teas [Member]
Revenue from External Customer [Line Items]
Revenues									2,126.8	2,797.5	2,883.6
Other Products Member
Revenue from External Customer [Line Items]
Revenues									$ 3,667.8	$ 3,061.2	$ 2,756.1	[1]
Total net revenues [Member]
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue									100.00%	100.00%	100.00%
Total net revenues [Member] | Beverage Member
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue									60.00%	59.00%	58.00%
Total net revenues [Member] | Food Member
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue									18.00%	18.00%	17.00%
Total net revenues [Member] | Packaged and Single Serve Coffees and Teas [Member]
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue										11.00%	13.00%
Total net revenues [Member] | Other Products Member
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue									14.00%	12.00%	12.00%	[1]

[1] ⁽¹⁾  “Other” primarily consists of royalty and licensing revenues, beverage-related ingredients, serveware, and ready-to-drink beverages, among other items.