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Investment Securities (Tables)
3 Months Ended
Jan. 31, 2026
Text Block [Abstract]  
Disclosure of Carrying Value Of Banks Investment Securities Per Measurement Category
The following table presents the carrying amounts of the Bank’s investment securities per measurement category.
 

  
  
  As at
 
($ millions)
  
January 31
2026
 
  
October 31
2025
 
Debt investment securities measured at FVOCI
  
$
117,567
 
   $ 123,732  
Debt investment securities measured at amortized cost
  
 
22,452
 
     23,722  
Equity investment securities designated at FVOCI
  
 
377
 
     398  
Equity investment securities measured at FVTPL
  
 
1,980
 
     2,073  
Debt investment securities measured at FVTPL
  
 
23
 
     23  
Total investment securities
  
$
 142,399
 
   $  149,948  
Disclosure of Unrealized Gains and Losses on Fair Value through Other Comprehensive Income Securities
(a) Debt investment securities measured at fair value through other comprehensive income (FVOCI)
 

As at January 31, 2026 ($ millions)
  
Cost
 
  
Gross
unrealized
gains
 
  
Gross
unrealized
losses
 
  
Fair value
 
Canadian federal government issued or guaranteed debt
  
$
22,078
 
  
$
218
 
  
$
87
 
  
$
22,209
 
Canadian provincial and municipal debt
  
 
21,037
 
  
 
281
 
  
 
78
 
  
 
21,240
 
U.S. treasury and other U.S. agency debt
  
 
45,372
 
  
 
418
 
  
 
485
 
  
 
45,305
 
Other foreign government debt
  
 
25,766
 
  
 
397
 
  
 
231
 
  
 
25,932
 
Other debt
  
 
2,873
 
  
 
28
 
  
 
20
 
  
 
2,881
 
Total
  
$
 117,126
 
  
$
 1,342
 
  
$
 901
 
  
$
 117,567
 
As at October 31, 2025 ($ millions)
   Cost      Gross
unrealized
gains
     Gross
unrealized
losses
     Fair value  
Canadian federal government issued or guaranteed debt
   $ 22,815      $ 359      $ 64      $ 23,110  
Canadian provincial and municipal debt
     20,490        430        77        20,843  
U.S. treasury and other U.S. agency debt
     49,111        483        558        49,036  
Other foreign government debt
     27,570        358        202        27,726  
Other debt
     3,007        31        21        3,017  
Total
   $  122,993      $  1,661      $  922      $  123,732  
Summary of Analysis of Fair Value and Carrying Value of Investment Securities Measured at Amortized Cost
(b) Debt investment securities measured at amortized cost
 

  
  
 As at
 
  
  
January 31, 2026
 
  
October 31, 2025
 
($ millions)
  
Fair value
 
  
Carrying
value
(1)
 
  
Fair value
 
  
Carrying
value
(1)
 
Canadian federal and provincial government issued or guaranteed debt
  
$
5,663
 
  
$
5,594
 
   $ 5,553      $ 5,467  
U.S. treasury and other U.S. agency debt
  
 
14,229
 
  
 
14,689
 
     15,178        15,758  
Other foreign government debt
  
 
1,935
 
  
 
1,932
 
     2,285        2,281  
Corporate debt
  
 
242
 
  
 
237
 
     223        216  
Total
  
$
 22,069
 
  
$
 22,452
 
   $  23,239      $  23,722  
 
  (1)
Balances are net of allowances, which are $1 (October 31, 2025 – $1).
Summary of Equity Investment Securities Designated as at Fair Value Through Other Comprehensive Income
(c) Equity investment securities designated at fair value through other comprehensive income (FVOCI)
 

As at January 31, 2026 ($ millions)
  
Cost
 
  
Gross
unrealized
gains
 
  
Gross
unrealized
losses
 
  
Fair value
 
Common shares
  
$
154
 
  
$
224
 
  
$
1
 
  
$
377
 
Total
  
$
154
 
  
$
224
 
  
$
1
 
  
$
377
 
As at October 31, 2025 ($ millions)
   Cost      Gross
unrealized
gains
     Gross
unrealized
losses
     Fair value  
Common shares
   $ 178      $ 221      $ 1      $ 398  
Total
   $  178      $  221      $  1      $  398