Segment Reporting (Information by Geographic Area) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2021	Sep. 27, 2020		Sep. 29, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 29,060.6	$ 23,518.0	[1]	$ 26,508.6	[1]
Long-lived assets	21,636.2	21,568.1		13,565.7
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	20,377.8	16,879.8		18,622.7
Long-lived assets	12,819.4	12,624.9		7,330.2
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,008.0	4,055.4		5,013.9
Long-lived assets	4,143.0	4,517.6		2,955.7
CHINA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,674.8	2,582.8		2,872.0
Long-lived assets	$ 4,673.8	$ 4,425.6		$ 3,279.8

[1] North America, International and Corporate and Other total net revenues and operating income/(loss) for fiscal years ended September 27, 2020 and September 29, 2019, have been restated to conform with current period presentation