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Restructuring and Other Charges - Narrative (Details) $ in Millions			12 Months Ended
	Nov. 25, 2025 USD ($) employee	Nov. 18, 2022 USD ($) employee	Oct. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)
Restructuring Cost and Reserve [Line Items]
Other charges			$ 78	$ 68	$ 83
Fiscal 2026 Plan \| Minimum \| Subsequent event
Restructuring Cost and Reserve [Line Items]
Expected number of positions to be eliminated \| employee	4,000
Fiscal 2026 Plan \| Maximum \| Subsequent event
Restructuring Cost and Reserve [Line Items]
Expected number of positions to be eliminated \| employee	6,000
Fiscal 2026 Plan \| Labor And Non-Labor Actions \| Subsequent event
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	$ 650
Fiscal 2026 Plan \| Labor Costs \| Subsequent event
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	$ 400
Fiscal 2023 Plan
Restructuring Cost and Reserve [Line Items]
Expected number of positions to be eliminated \| employee		9,500
Fiscal 2023 Plan \| Severance costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost		$ 873
Fiscal 2023 Plan \| Infrastructure costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost		$ 347