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Debentures (Tables)
3 Months Ended
May 31, 2022
Debt Disclosure [Abstract]  
Schedule of Debentures
The following table summarizes the change in fair value of the 1.75% Debentures for the three months ended May 31, 2022, which also represents the total changes through earnings of items classified as Level 3 in the fair value hierarchy:
As at
  May 31, 2022
Balance as at February 28, 2022$507 
Change in fair value of the 1.75% Debentures(48)
Balance as at May 31, 2022$459 
1.75% Debenture - impact of changes in fair value
The following table shows the impact of the changes in fair value of the 1.75% Debentures for the three months ended May 31, 2022 and May 31, 2021:    
Three Months Ended
  May 31, 2022May 31, 2021
Income associated with the change in fair value from non-credit components recorded in the consolidated statements of operations $46 $
Income associated with the change in fair value from instrument-specific credit components recorded in AOCL
Total decrease in the fair value of the 1.75% Debentures $48 $