RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Schedule of Foreign Exchange Derivative Instruments that are Designated and Qualify as Fair Value Hedges (Details) - CAD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| RISK MANAGEMENT AND FINANCIAL INSTRUMENTS | ||
| Realized gain on derivative | $ 0 | $ 99 |
| Foreign exchange contracts | Fair value hedges | ||
| RISK MANAGEMENT AND FINANCIAL INSTRUMENTS | ||
| Unrealized loss on derivative | (22) | (42) |
| Unrealized gain on hedged item | 22 | 50 |
| Realized gain on derivative | 3 | 61 |
| Realized loss on hedged item | $ (3) | $ (74) |
| X | ||||||||||
- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Gain (loss) incurred in hedging activities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|