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Acquisitions and Divestitures (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Apr. 01, 2018	Sep. 27, 2020	Sep. 29, 2019	Sep. 30, 2018	Aug. 26, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Deferred Revenue					$ 7,000,000,000
Amortization of Intangible Assets		$ 223,700,000	$ 232,800,000	$ 186,500,000
East China JV [Member]
Business Acquisition [Line Items]
Equity Method Investment, Ownership Percentage						50.00%
Business Combination, Separately Recognized Transactions, Liabilities Recognized						$ 90,500,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual				$ 73,100,000
Amortization of Intangible Assets		$ 160,600,000	$ 163,800,000
Tazo business [Member]
Business Acquisition [Line Items]
Deconsolidation, Gain (Loss), Amount	$ 347,900,000
Taiwan JV [Member]
Business Acquisition [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Nestle Global Coffee Alliance [Member]
Business Acquisition [Line Items]
Deferred Revenue					$ 7,000,000,000