v3.25.2
Common shares - Narrative (Detail) - Normal Course Issuer Bid Effective From June Twenty Ninth Two Thousand And Twenty Five
Jun. 29, 2025
shares
Class of Stock [Line Items]  
Normal course issuer bid share repurchase term, months 12 months
Normal course issuer bid share repurchase shares authorized 25,452,248
Percent of total shares 5.00%
Exxon Mobil Corporation  
Class of Stock [Line Items]  
Exxon Mobil Corporation's ownership interest in Imperial 69.60%