v3.26.1
Employee benefits - Pension and other post-employment benefits (Tables)
 9 Months Ended
Jul. 31, 2026
Text Block [Abstract]  
Summary of Composition of Pension and Other Post-Employment Benefit Expense
Pension and other post-employment benefit expense
 
     For the three months ended  
         Pension plans             
Other post-employment benefit plans
  
(Millions of Canadian dollars)
  
July 31
2026
    
July 31
2025
         
July 31
2026
    
July 31
2025
  
Current service costs
  
$
50
 
   $ 53      
$
8
 
   $ 9  
Past service costs
  
 
–
 
     –      
 
–
 
     –  
Net interest expense (income)
  
 
(44
)
     (41 )     
 
20
 
     18  
Remeasurements of other long-term benefits
  
 
–
 
     –      
 
2
 
     2  
Administrative expense
  
 
5
 
     6        
 
–
 
     –  
Defined benefit pension expense
  
 
11
 
     18      
 
30
 
     29  
Defined contribution pension expense
  
 
160
 
     143        
 
–
 
     –  
   
$
171
 
   $ 161        
$
30
 
   $ 29  
 
     For the nine months ended  
         Pension plans             
Other post-employment benefit plans
  
(Millions of Canadian dollars)
  
July 31
2026
    
July 31
2025
         
July 31
2026
    
July 31
2025
  
Current service costs
  
$
150
 
   $ 157      
$
26
 
   $ 25  
Past service costs
  
 
–
 
     49      
 
–
 
     –  
Net interest expense (income)
  
 
(133
)
     (122 )     
 
59
 
     57  
Remeasurements of other long-term benefits
  
 
–
 
     –      
 
(3
) 
     7  
Administrative expense
  
 
16
 
     17        
 
–
 
     –  
Defined benefit pension expense
  
 
33
 
     101      
 
82
 
     89  
Defined contribution pension expense
  
 
484
 
     431        
 
–
 
     –  
   
$
517
 
   $ 532        
$
82
 
   $ 89  
Summary of Composition of Remeasurements Recorded in OCI related to pension and other post employment benefit plans
Pension and other post-employment benefit remeasurements
(1)
 
     For the three months ended  
    Defined benefit pension plans        
Other post-employment benefit plans
  
(Millions of Canadian dollars)
  
July 31
2026
    
July 31
2025
         
July 31
2026
    
July 31
2025
  
Actuarial (gains) losses:
          
Changes in financial assumptions
(2)
  
$
(175
)
   $ (150 )     
$
(16
) 
   $ (14 ) 
Experience adjustments
  
 
1
 
     –      
 
(1
) 
     3  
Return on plan assets (excluding interest based on discount rate)
  
 
(169
)
     (222 )       
 
–
 
     –  
   
$
(343
)
   $ (372 )       
$
(17
) 
   $ (11 ) 
 
     For the nine months ended  
    Defined benefit pension plans        
Other post-employment benefit plans
  
(Millions of Canadian dollars)
  
July 31
2026
    
July 31
2025
         
July 31
2026
    
July 31
2025
  
Actuarial (gains) losses:
          
Changes in financial assumptions
(2)
  
$
(835
)
   $ (333 )     
$
(63
)
   $ (28 ) 
Experience adjustments
  
 
–
     (1 )     
 
(5
)
     1  
Return on plan assets (excluding interest based on discount rate)
  
 
194
 
     (90 )       
 
–
 
     –  
   
$
(641
)
   $ (424 )       
$
(68
)
 
   $ (27 ) 
 
(1)
Market-based assumptions, including Changes in financial assumptions and Return on plan assets, are reviewed on a quarterly basis. All other assumptions are updated during our annual review of plan assumptions.
(2)
Changes in financial assumptions in our defined benefit pension plans primarily relate to changes in discount rates.