XML 160 R136.htm IDEA: XBRL DOCUMENT v3.25.0.1
Share-Based Payments - Narrative (Details)
 12 Months Ended
Jul. 01, 2024
CAD ($)
Dec. 31, 2024
CAD ($)
shares
day
$ / shares
Dec. 31, 2023
CAD ($)
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Average share price at the date of exercise of stock options (in CAD per share) | $ / shares   $ 79.09 $ 68.44
Compensation expense   $ 610,000,000 $ 491,000,000
Weighted average share price, share options granted (in CAD per share) | $ / shares   $ 12.22 $ 11.54
Annual compensation match maximum, amount $ 2,500    
ESOP offering window period   6 months  
Liabilities accrued   $ 355,000,000 $ 276,000,000
Stock Option      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Vesting period   4 years  
Maximum exercise period   10 years  
Maximum number of common shares that may be issued under the Executive Stock Option Plan (in shares) | shares   29,525,000  
Compensation expense   $ 6,000,000 8,000,000
Employee Share Ownership Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Compensation expense   $ 14,000,000 10,000,000
Required service period   1 year  
Employee's contribution, percentage match 50.00% 50.00%  
Annual compensation match maximum, amount $ 100,000 $ 1,500  
U.S. Employee Stock Purchase Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Annual compensation match maximum, amount   $ 25,000  
Sun Share Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of other equity instruments granted in share-based payment arrangement (in shares) | shares   1  
Number of trading days prior to grant date used for unit valuation | day   5  
General unit holding period   36 months  
MFS Investment Management Share-Based Awards      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Vesting period   4 years  
Compensation expense   $ 384,000,000 309,000,000
Liabilities accrued   1,040,000,000 978,000,000
MFS Investment Management Stock Options, Restricted Shares, and Outstanding Shares      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Liabilities accrued   $ 827,000,000 $ 780,000,000
Bottom of range | Employee Share Ownership Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Employee contribution election 1.00% 1.00%  
Bottom of range | U.S. Employee Stock Purchase Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Employee contribution election   1.00%  
Discount rate   10.00%  
Bottom of range | Sun Share Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Performance factor multiplier   0  
Top of range | Employee Share Ownership Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Employee contribution election 50.00% 20.00%  
Employee's annual compensation, percentage match 5.00% 5.00%  
Top of range | U.S. Employee Stock Purchase Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Employee contribution election   10.00%  
Top of range | Sun Share Plan      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Performance factor multiplier   2