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LONG-TERM DEBT (Tables)
3 Months Ended
Jan. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Senior Notes and Related Interest Rate Swaps
The following table summarizes the company’s long-term senior notes:
 
 January 31, 2021October 31, 2020
 Amortized
Principal
Amortized
Principal
(in millions)
2022 Senior Notes$300 $400 
2023 Senior Notes598 598 
2026 Senior Notes298 298 
2029 Senior Notes494 493 
2030 Senior Notes495 495 
Total$2,185 $2,284