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LONG-TERM DEBT (Tables)
12 Months Ended
Oct. 31, 2021
Debt Disclosure [Abstract]  
Long-term debt - Senior Notes
The following table summarizes the company's long-term senior notes:

 October 31, 2021October 31, 2020
 Amortized
Principal
Amortized
Principal
 (in millions)
2022 Senior Notes$— $400 
2023 Senior Notes599 598 
2026 Senior Notes298 298 
2029 Senior Notes494 493 
2030 Senior Notes496 495 
2031 Senior Notes842 — 
Total$2,729 $2,284