Segment Information - Schedule of Net Revenue by Geographical Areas (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 53,718	$ 62,910	$ 63,460
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	18,829	21,626	22,420
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 34,889	$ 41,284	$ 41,040