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Investments in equity-accounted associates and joint ventures (Tables)
 12 Months Ended
Oct. 31, 2022
Text Block [Abstract]  
Summary of Aggregate Financial Information Related to Proportionate Interest in the Equity-accounted Joint Ventures
The following table provides the summarized aggregate financial information related to our proportionate interest in the equity-accounted joint ventures:

 
$ millions, for the year ended October 31
  
2022
 
 
2021
 
Net income
   
$
52
 
    $ 51  
OCI
   
 
    (218
)
 
          (44 ) 
Total comprehensive income
 (loss)
   
$
(166
)
 
    $ 7  
Summary of Aggregate Financial Information Related to Proportionate Interest in Equity-accounted Associates
The following table provides the summarized aggregate financial information related to our proportionate interest in equity-accounted associates
:
 
$ millions, for the year ended October 31
  
2022
 
 
2021
 
Net income
 (loss)
   
$
(5
)
 
  
 $ 4  
OCI
   
 
–
 
  
   1  
Total comprehensive income
 (loss)
   
$
   (5
)
 
  
 $     5