Long-lived Assets by Geographical Markets (Details) - USD ($) $ in Millions		Oct. 02, 2021	Oct. 03, 2020
Segment Reporting Information [Line Items]
Long-lived assets		$ 165,015	$ 161,581
Americas
Segment Reporting Information [Line Items]
Long-lived assets	[1]	144,788	141,674
Europe
Segment Reporting Information [Line Items]
Long-lived assets	[1]	8,215	7,672
Asia Pacific
Segment Reporting Information [Line Items]
Long-lived assets	[1]	$ 12,012	$ 12,235

[1] Long-lived assets are total assets less: current assets, long-term receivables, deferred taxes, financial investments and the fair value of derivative instruments.