Segment Reporting (Consolidated Revenue Mix By Product Type) (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Oct. 02, 2016	Jun. 26, 2016	Mar. 27, 2016	Dec. 27, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014
Revenue from External Customer [Line Items]
Total net revenues		$ 5,711.2	$ 5,238.0	$ 4,993.2	$ 5,373.5	$ 4,914.8	$ 4,881.2	$ 4,563.5	$ 4,803.2	$ 21,315.9	$ 19,162.7	$ 16,447.8
Beverage Member
Revenue from External Customer [Line Items]
Total net revenues										12,383.4	11,115.4	9,458.4
Food Member
Revenue from External Customer [Line Items]
Total net revenues										3,495.0	3,085.3	2,505.2
Packaged and Single Serve Coffees and Teas [Member]
Revenue from External Customer [Line Items]
Total net revenues										2,866.0	2,619.9	2,370.0
Other Products Member
Revenue from External Customer [Line Items]
Total net revenues	[1]									$ 2,571.5	$ 2,342.1	$ 2,114.2
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										58.00%	58.00%	58.00%
Total net revenues [Member] | Food Member
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue										16.00%	16.00%	15.00%
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										14.00%	14.00%	14.00%
Total net revenues [Member] | Other Products Member
Revenue from External Customer [Line Items]
Percentage of product revenue to total revenue	[1]									12.00%	12.00%	13.00%

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