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LONG-TERM DEBT (Tables)
9 Months Ended
Jul. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Senior Notes and Related Interest Rate Swaps
The following table summarizes the company’s long-term senior notes:
 
 
July 31, 2020
 
October 31, 2019
 
Amortized
Principal
 
Amortized
Principal
 
(in millions)
2022 Senior Notes
$
399

 
$
399

2023 Senior Notes
598

 
597

2026 Senior Notes
298

 
298

2029 Senior Notes
493

 
492

2030 Senior Notes
495

 

Total
$
2,283

 
$
1,786