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OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 6 Months Ended
Apr. 30, 2025
Accounting Policies [Abstract]  
Restrictions on Cash and Cash Equivalents
Restricted Cash and Restricted Cash Equivalents. Restricted cash and restricted cash equivalents are included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. A reconciliation of cash, cash equivalents and restricted cash to the condensed consolidated balance sheets follows:
 April 30,October 31,
 20252024
(in millions)
Cash and cash equivalents$1,486 $1,329 
Restricted cash included in other assets3 3 
Total cash, cash equivalents and restricted cash$1,489 $1,332