Property, Plant And Equipment (Details) - USD ($) $ in Millions	Apr. 02, 2022	Oct. 02, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 17,209	$ 16,516
Less accumulated depreciation	9,016	8,679
Net Property, Plant and Equipment	8,193	7,837
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	219	210
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,496	5,370
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	9,690	9,507
Land improvements and other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	478	453
Buildings and equipment under construction
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,326	$ 976