RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Total Derivative Instruments (Details) - CAD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023 |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | $ (1,161) | $ (404) |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other current assets | |
Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | $ (1,077) | (278) |
Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (68) | (122) |
Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (16) | (4) |
Other current assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 426 | 623 |
Derivative assets, Amounts Available for Offset | (189) | (335) |
Derivative assets, Total Net Derivative Instruments | 237 | $ 288 |
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | | Other current assets |
Other current assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 386 | $ 551 |
Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 7 | 31 |
Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 33 | 41 |
Deferred amounts and other assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 314 | 463 |
Derivative assets, Amounts Available for Offset | (177) | (184) |
Derivative assets, Total Net Derivative Instruments | $ 137 | $ 279 |
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 | $ 294 | $ 396 |
Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 20 | 51 |
Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 16 |
Other current liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (650) | (738) |
Derivative liabilities, Amounts Available for Offset | 189 | 335 |
Derivative liabilities, Total Net Derivative Instruments | $ (461) | $ (403) |
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 | $ (601) | $ (500) |
Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | (194) |
Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (49) | (44) |
Other long-term liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (1,251) | (752) |
Derivative liabilities, Amounts Available for Offset | 177 | 184 |
Derivative liabilities, Total Net Derivative Instruments | $ (1,074) | $ (568) |
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 | $ (1,156) | $ (725) |
Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (95) | (10) |
Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | (17) |
Foreign exchange contracts | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (901) | (152) |
Foreign exchange contracts | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (885) | (148) |
Foreign exchange contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | 0 | $ 0 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | | Other Liabilities, Noncurrent |
Foreign exchange contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (16) | $ (4) |
Foreign exchange contracts | Other current assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 74 | 139 |
Derivative assets, Amounts Available for Offset | (20) | (32) |
Derivative assets, Total Net Derivative Instruments | 54 | 107 |
Foreign exchange contracts | Other current assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 41 | 98 |
Foreign exchange contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Foreign exchange contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 33 | 41 |
Foreign exchange contracts | Deferred amounts and other assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 120 | 335 |
Derivative assets, Amounts Available for Offset | (81) | (122) |
Derivative assets, Total Net Derivative Instruments | 39 | 213 |
Foreign exchange contracts | Deferred amounts and other assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 120 | 319 |
Foreign exchange contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Foreign exchange contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 16 |
Foreign exchange contracts | Other current liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (301) | (128) |
Derivative liabilities, Amounts Available for Offset | 20 | 32 |
Derivative liabilities, Total Net Derivative Instruments | (281) | (96) |
Foreign exchange contracts | Other current liabilities | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (252) | (84) |
Foreign exchange contracts | Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | 0 |
Foreign exchange contracts | Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (49) | (44) |
Foreign exchange contracts | Other long-term liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (794) | (498) |
Derivative liabilities, Amounts Available for Offset | 81 | 122 |
Derivative liabilities, Total Net Derivative Instruments | (713) | (376) |
Foreign exchange contracts | Other long-term liabilities | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (794) | (481) |
Foreign exchange contracts | Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | 0 |
Foreign exchange contracts | Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | (17) |
Interest rate contracts | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (163) | $ (156) |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | | Other Liabilities, Noncurrent |
Interest rate contracts | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (93) | $ (52) |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | | Other Liabilities, Noncurrent |
Interest rate contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (70) | $ (104) |
Interest rate contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | 0 | $ 0 |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | | Other Liabilities, Noncurrent |
Interest rate contracts | Other current assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 21 | $ 65 |
Derivative assets, Amounts Available for Offset | (7) | (32) |
Derivative assets, Total Net Derivative Instruments | 14 | 33 |
Interest rate contracts | Other current assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 16 | 34 |
Interest rate contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 5 | 31 |
Interest rate contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Interest rate contracts | Deferred amounts and other assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 92 | 53 |
Derivative assets, Amounts Available for Offset | (59) | (21) |
Derivative assets, Total Net Derivative Instruments | 33 | 32 |
Interest rate contracts | Deferred amounts and other assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 72 | 2 |
Interest rate contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 20 | 51 |
Interest rate contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Interest rate contracts | Other current liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (15) | (186) |
Derivative liabilities, Amounts Available for Offset | 7 | 32 |
Derivative liabilities, Total Net Derivative Instruments | (8) | (154) |
Interest rate contracts | Other current liabilities | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (15) | (3) |
Interest rate contracts | Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | (183) |
Interest rate contracts | Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | 0 |
Interest rate contracts | Other long-term liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (261) | (88) |
Derivative liabilities, Amounts Available for Offset | 59 | 21 |
Derivative liabilities, Total Net Derivative Instruments | (202) | (67) |
Interest rate contracts | Other long-term liabilities | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (166) | (85) |
Interest rate contracts | Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (95) | (3) |
Interest rate contracts | Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | 0 |
Commodity contracts | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (98) | (96) |
Commodity contracts | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | (100) | (78) |
Commodity contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | 2 | (18) |
Commodity contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Total net financial asset/(liability) | 0 | 0 |
Commodity contracts | Other current assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 330 | 418 |
Derivative assets, Amounts Available for Offset | (162) | (270) |
Derivative assets, Total Net Derivative Instruments | 168 | 148 |
Commodity contracts | Other current assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 328 | 418 |
Commodity contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 2 | 0 |
Commodity contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Commodity contracts | Deferred amounts and other assets | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 102 | 75 |
Derivative assets, Amounts Available for Offset | (37) | (41) |
Derivative assets, Total Net Derivative Instruments | 65 | 34 |
Commodity contracts | Deferred amounts and other assets | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 102 | 75 |
Commodity contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Commodity contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Commodity contracts | Other current liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (334) | (423) |
Derivative liabilities, Amounts Available for Offset | 162 | 270 |
Derivative liabilities, Total Net Derivative Instruments | (172) | (153) |
Commodity contracts | Other current liabilities | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (334) | (412) |
Commodity contracts | Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | (11) |
Commodity contracts | Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | 0 |
Commodity contracts | Other long-term liabilities | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (196) | (166) |
Derivative liabilities, Amounts Available for Offset | 37 | 41 |
Derivative liabilities, Total Net Derivative Instruments | (159) | (125) |
Commodity contracts | Other long-term liabilities | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | (196) | (159) |
Commodity contracts | Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | (7) |
Commodity contracts | Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative liabilities | 0 | 0 |
Other contracts | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 1 | 1 |
Derivative liabilities | | (1) |
Total net financial asset/(liability) | 1 | 0 |
Derivative assets, Amounts Available for Offset | 0 | (1) |
Derivative liabilities, Amounts Available for Offset | | 1 |
Derivative assets, Total Net Derivative Instruments | 1 | 0 |
Derivative liabilities, Total Net Derivative Instruments | | 0 |
Other contracts | Non- Qualifying Derivative Instruments | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 1 | 1 |
Derivative liabilities | | (1) |
Total net financial asset/(liability) | 1 | 0 |
Other contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Derivative liabilities | | 0 |
Total net financial asset/(liability) | 0 | 0 |
Other contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument | | |
TOTAL DERIVATIVE INSTRUMENTS | | |
Derivative assets | 0 | 0 |
Derivative liabilities | | 0 |
Total net financial asset/(liability) | $ 0 | $ 0 |