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INVESTMENTS (Tables)
12 Months Ended
Oct. 31, 2020
Schedule of Investments [Abstract]  
Equity Investments
The following table summarizes the company's equity investments as of October 31, 2020 and 2019 (net book value):

 October 31,
 20202019
 (in millions)
Long-Term  
Equity investments - without readily determinable fair value$103 $47 
Equity investments - with readily determinable fair value25 25 
Trading securities30 30 
Total$158 $102