Segment Information - Schedule of Net Revenue by Geographical Areas (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 55,295	$ 53,559	$ 53,718
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	19,212	18,790	18,829
Other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenue	$ 36,083	$ 34,769	$ 34,889