RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Schedule of the Consolidated Statements of Financial Position Location and Carrying Value of Derivative Instruments (Details) - CAD ($)
$ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
$ (1,318)
|
$ (823)
|
| Derivative asset liability, amounts available for offset |
0
|
|
| Total net derivative asset/(liability) |
(1,318)
|
(823)
|
| Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
(1,321)
|
(873)
|
| Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
71
|
79
|
| Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
(68)
|
(29)
|
| Foreign exchange contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
(1,737)
|
(1,104)
|
| Derivative asset liability, amounts available for offset |
0
|
|
| Total net derivative asset/(liability) |
(1,737)
|
(1,104)
|
| Foreign exchange contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
(1,737)
|
1,104
|
| Foreign exchange contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
0
|
0
|
| Foreign exchange contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
0
|
0
|
| Interest rate contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
106
|
91
|
| Derivative asset liability, amounts available for offset |
0
|
|
| Total net derivative asset/(liability) |
106
|
91
|
| Interest rate contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
103
|
41
|
| Interest rate contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
71
|
79
|
| Interest rate contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
(68)
|
(29)
|
| Commodity contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
313
|
190
|
| Derivative asset liability, amounts available for offset |
0
|
|
| Total net derivative asset/(liability) |
313
|
190
|
| Commodity contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
313
|
190
|
| Commodity contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
0
|
0
|
| Commodity contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Total net derivative asset/(liability) |
0
|
0
|
| Other current assets |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
1,090
|
591
|
| Derivative assets, amounts available for offset |
(564)
|
(246)
|
| Derivative assets, total net derivative instruments |
$ 526
|
$ 345
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
Other current assets
|
Other current assets
|
| Other current assets | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
$ 1,005
|
$ 507
|
| Other current assets | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
54
|
79
|
| Other current assets | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
31
|
5
|
| Other current assets | Foreign exchange contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
26
|
27
|
| Derivative assets, amounts available for offset |
(20)
|
(17)
|
| Derivative assets, total net derivative instruments |
6
|
10
|
| Other current assets | Foreign exchange contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
26
|
27
|
| Other current assets | Foreign exchange contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Other current assets | Foreign exchange contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Other current assets | Interest rate contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
125
|
106
|
| Derivative assets, amounts available for offset |
(37)
|
(37)
|
| Derivative assets, total net derivative instruments |
88
|
69
|
| Other current assets | Interest rate contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
40
|
22
|
| Other current assets | Interest rate contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
54
|
79
|
| Other current assets | Interest rate contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
31
|
5
|
| Other current assets | Commodity contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
939
|
458
|
| Derivative assets, amounts available for offset |
(507)
|
(192)
|
| Derivative assets, total net derivative instruments |
432
|
266
|
| Other current assets | Commodity contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
939
|
458
|
| Other current assets | Commodity contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Other current assets | Commodity contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Deferred amounts and other assets |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
320
|
293
|
| Derivative assets, amounts available for offset |
(170)
|
(71)
|
| Derivative assets, total net derivative instruments |
$ 150
|
$ 222
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
Deferred Costs and Other Assets
|
Deferred Costs and Other Assets
|
| Deferred amounts and other assets | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
$ 303
|
$ 284
|
| Deferred amounts and other assets | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
17
|
9
|
| Deferred amounts and other assets | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Deferred amounts and other assets | Foreign exchange contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
28
|
52
|
| Derivative assets, amounts available for offset |
(25)
|
(24)
|
| Derivative assets, total net derivative instruments |
3
|
28
|
| Deferred amounts and other assets | Foreign exchange contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
28
|
52
|
| Deferred amounts and other assets | Foreign exchange contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Deferred amounts and other assets | Foreign exchange contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Deferred amounts and other assets | Interest rate contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
189
|
117
|
| Derivative assets, amounts available for offset |
(103)
|
(27)
|
| Derivative assets, total net derivative instruments |
86
|
90
|
| Deferred amounts and other assets | Interest rate contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
172
|
108
|
| Deferred amounts and other assets | Interest rate contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
17
|
9
|
| Deferred amounts and other assets | Interest rate contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Deferred amounts and other assets | Commodity contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
103
|
124
|
| Derivative assets, amounts available for offset |
(42)
|
(20)
|
| Derivative assets, total net derivative instruments |
61
|
104
|
| Deferred amounts and other assets | Commodity contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
103
|
124
|
| Deferred amounts and other assets | Commodity contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Deferred amounts and other assets | Commodity contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative assets, total gross derivative instruments as presented |
0
|
0
|
| Other current liabilities |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(1,306)
|
(712)
|
| Derivative liabilities, amounts available for offset |
564
|
246
|
| Derivative liabilities, total net derivative instruments |
$ (742)
|
$ (466)
|
| Derivative Liability, Statement of Financial Position [Extensible Enumeration] |
Other current liabilities
|
Other current liabilities
|
| Other current liabilities | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
$ (1,305)
|
$ (703)
|
| Other current liabilities | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
(9)
|
| Other current liabilities | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(1)
|
0
|
| Other current liabilities | Foreign exchange contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(645)
|
(364)
|
| Derivative liabilities, amounts available for offset |
20
|
17
|
| Derivative liabilities, total net derivative instruments |
(625)
|
(347)
|
| Other current liabilities | Foreign exchange contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(645)
|
(364)
|
| Other current liabilities | Foreign exchange contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other current liabilities | Foreign exchange contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other current liabilities | Interest rate contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(40)
|
(48)
|
| Derivative liabilities, amounts available for offset |
37
|
37
|
| Derivative liabilities, total net derivative instruments |
(3)
|
(11)
|
| Other current liabilities | Interest rate contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(39)
|
(39)
|
| Other current liabilities | Interest rate contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
(9)
|
| Other current liabilities | Interest rate contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(1)
|
0
|
| Other current liabilities | Commodity contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(621)
|
(300)
|
| Derivative liabilities, amounts available for offset |
507
|
192
|
| Derivative liabilities, total net derivative instruments |
(114)
|
(108)
|
| Other current liabilities | Commodity contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(621)
|
(300)
|
| Other current liabilities | Commodity contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other current liabilities | Commodity contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other long-term liabilities |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(1,422)
|
(995)
|
| Derivative liabilities, amounts available for offset |
170
|
71
|
| Derivative liabilities, total net derivative instruments |
$ (1,252)
|
$ (924)
|
| Derivative Liability, Statement of Financial Position [Extensible Enumeration] |
Other Liabilities, Noncurrent
|
Other Liabilities, Noncurrent
|
| Other long-term liabilities | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
$ (1,324)
|
$ (961)
|
| Other long-term liabilities | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other long-term liabilities | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(98)
|
(34)
|
| Other long-term liabilities | Foreign exchange contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(1,146)
|
(819)
|
| Derivative liabilities, amounts available for offset |
25
|
24
|
| Derivative liabilities, total net derivative instruments |
(1,121)
|
(795)
|
| Other long-term liabilities | Foreign exchange contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(1,146)
|
(819)
|
| Other long-term liabilities | Foreign exchange contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other long-term liabilities | Foreign exchange contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other long-term liabilities | Interest rate contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(168)
|
(84)
|
| Derivative liabilities, amounts available for offset |
103
|
27
|
| Derivative liabilities, total net derivative instruments |
(65)
|
(57)
|
| Other long-term liabilities | Interest rate contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(70)
|
(50)
|
| Other long-term liabilities | Interest rate contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other long-term liabilities | Interest rate contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(98)
|
(34)
|
| Other long-term liabilities | Commodity contracts |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(108)
|
(92)
|
| Derivative liabilities, amounts available for offset |
42
|
20
|
| Derivative liabilities, total net derivative instruments |
(66)
|
(72)
|
| Other long-term liabilities | Commodity contracts | Non- Qualifying Derivative Instruments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
(108)
|
(92)
|
| Other long-term liabilities | Commodity contracts | Cash flow hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
0
|
0
|
| Other long-term liabilities | Commodity contracts | Fair value hedges | Designated as hedging instrument |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Derivative liabilities, total gross derivative instruments as presented |
$ 0
|
$ 0
|
| Long-term Investments |
|
|
| TOTAL DERIVATIVE INSTRUMENTS |
|
|
| Debt and Equity Securities, Fair Value by Fair Value Hierarchy Level [Extensible Enumeration] |
Long-Term Investments
|
|