XML 109 R84.htm IDEA: XBRL DOCUMENT v3.25.3
Share Capital and Warrants - Treasury Shares (Details) - Treasury Shares - CAD ($)
shares in Thousands, $ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Number of Common Shares    
Outstanding, Beginning of Year (in shares) 2,000 0
Purchased Under Employee Benefit Plan (in shares) 4,600 2,000
Distributed Under Employee Benefit Plan (in shares) (3,822) 0
Outstanding, End of Period (in shares) 2,778 2,000
Amount    
Outstanding, Beginning of Year $ 43 $ 0
Purchased Under Employee Benefit Plan 94 43
Distributed Under Employee Benefit Plan (82) 0
Outstanding, End of Period $ 55 $ 43