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DEBT (Tables)
6 Months Ended
Apr. 30, 2019
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
The following table summarizes the components of our long-term debt:
 
April 30, 2019
 
October 31, 2018
 
(in millions)
2019 senior unsecured notes at 3.30% (net of unamortized costs of zero and $1)
$
500

 
$
499

2024 senior unsecured notes at 4.55% (net of unamortized costs of $3 and $3)
597

 
597

2027 senior unsecured notes at 4.60% (net of unamortized costs of $5 and $6)
695

 
694

Total debt
1,792

 
1,790

Less: short-term debt
500

 
499

Total long-term debt
$
1,292

 
$
1,291