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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables) | 6 Months Ended
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Jun. 30, 2025
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule of Changes in AOCI Attributable to Enbridge Common Shareholders | Changes in Accumulated other comprehensive income (AOCI) attributable to our common shareholders for the six months ended June 30, 2025 and 2024 are as follows:
| Cash Flow Hedges |  | Excluded Components of Fair Value Hedges |  | Net Investment Hedges |  | Cumulative Translation Adjustment |  | Equity Investees and Other Investments |  | Pension and OPEB Adjustment |  | Total |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as at January 1, 2025 |  | 407 |  |  | (14 | ) |  | (2,033 | ) |  | 8,452 |  |  | 1 |  |  | 302 |  |  | 7,115 |
Other comprehensive income/(loss) retained in AOCI |  | (15 | ) |  | 12 |  |  | 413 |  |  | (3,356 | ) |  | 21 |  |  | 62 |  |  | (2,863 | )
Other comprehensive (income)/loss reclassified to earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts 1 |  | 17 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 17 |
Foreign exchange contracts 2 |  | — |  |  | (3 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | (3 | )
Amortization of pension and OPEB actuarial gain 3 |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (14 | ) |  | (14 | )
|  | 2 |  |  | 9 |  |  | 413 |  |  | (3,356 | ) |  | 21 |  |  | 48 |  |  | (2,863 | )
Tax impact |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax on amounts retained in AOCI |  | 2 |  |  | (3 | ) |  | — |  |  | — |  |  | — |  |  | (13 | ) |  | (14 | )
Income tax on amounts reclassified to earnings |  | (3 | ) |  | 8 |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 6 |
|  | (1 | ) |  | 5 |  |  | — |  |  | — |  |  | — |  |  | (12 | ) |  | (8 | )
Balance as at June 30, 2025 |  | 408 |  |  | — |  |  | (1,620 | ) |  | 5,096 |  |  | 22 |  |  | 338 |  |  | 4,244 |
| Cash Flow Hedges |  | Excluded Components of Fair Value Hedges |  | Net Investment Hedges |  | Cumulative Translation Adjustment |  | Equity Investees and Other Investments |  | Pension and OPEB Adjustment |  | Total |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as at January 1, 2024 |  | 320 |  |  | (23 | ) |  | (728 | ) |  | 2,653 |  |  | 11 |  |  | 70 |  |  | 2,303 |
Other comprehensive income/(loss) retained in AOCI |  | 156 |  |  | (26 | ) |  | (538 | ) |  | 2,344 |  |  | 1 |  |  | — |  |  | 1,937 |
Other comprehensive (income)/loss reclassified to earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts 1 |  | 12 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 12 |
Commodity contracts 4 |  | (1 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (1 | )
Foreign exchange contracts 2 |  | — |  |  | 31 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 31 |
Amortization of pension and OPEB actuarial gain 3 |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (11 | ) |  | (11 | )
|  | 167 |  |  | 5 |  |  | (538 | ) |  | 2,344 |  |  | 1 |  |  | (11 | ) |  | 1,968 |
Tax impact |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax on amounts retained in AOCI |  | (36 | ) |  | 6 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (30 | )
Income tax on amounts reclassified to earnings |  | (2 | ) |  | (7 | ) |  | — |  |  | — |  |  | — |  |  | 2 |  |  | (7 | )
|  | (38 | ) |  | (1 | ) |  | — |  |  | — |  |  | — |  |  | 2 |  |  | (37 | )
Balance as at June 30, 2024 |  | 449 |  |  | (19 | ) |  | (1,266 | ) |  | 4,997 |  |  | 12 |  |  | 61 |  |  | 4,234 |
1 Reported within Interest expense in the Consolidated Statements of Earnings. 2 Reported within Interest expense and Other income/(expense) in the Consolidated Statements of Earnings. 3 These components are included in the computation of net periodic benefit credit and are reported within Other income/(expense) in the Consolidated Statements of Earnings. 4 Reported within Transportation and other services revenues in the Consolidated Statements of Earnings.

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