Property, Plant and Equipment - Gross Property, Plant and Equipment by Major Asset Class and Accumulated Depreciation (Details) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 125,848	$ 119,128
Accumulated depreciation	(76,014)	(73,448)
Total property, plant and equipment, net	49,834	45,680
Land and buildings
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	27,337	24,690
Machinery, equipment and internal-use software
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	83,420	80,205
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 15,091	$ 14,233