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OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2026	Oct. 31, 2025	Apr. 30, 2025	Oct. 31, 2024
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash and cash equivalents	$ 1,807	$ 1,789
Restricted Cash included in other assets	2	2
Cash, cash equivalents, restricted cash and restricted cash equivalents	1,809	1,791	$ 1,489	$ 1,332
Operating Leases
Right-of-Use Asset	$ 181	$ 183
Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating lease liability	$ 187	$ 189
Operating Lease Liability, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities, Other long-term liabilities	Other accrued liabilities, Other long-term liabilities
Variable Interest Entity
Noncontrolling Interest in Variable Interest Entity	$ 44	$ 44
Fair Value of Financial Instruments
Carrying Value of Senior Notes	3,333	3,330
Price of Acquisition	950
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Senior Notes
Fair Value of Financial Instruments
Fair Value of Senior Notes	$ 3,182	$ 3,191