Segment Information - Schedule of Net Revenue by Geographical Areas (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 62,910	$ 63,460	$ 56,638
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	21,626	22,420	20,226
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 41,284	$ 41,040	$ 36,412