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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)
 3 Months Ended
Mar. 31, 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 three months ended March 31, 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, 2025407 (14)(2,033)8,452 1 302 7,115 
Other comprehensive income/(loss) retained in AOCI
(35)(6)(34)118 12 — 55 
Other comprehensive (income)/loss reclassified to earnings
Interest rate contracts1
8 — — — — — 8 
Foreign exchange contracts2
— 12 — — — — 12 
Amortization of pension and OPEB actuarial gain3
— — — — — (9)(9)
(27)6 (34)118 12 (9)66 
Tax impact     
 
Income tax on amounts retained in AOCI
9 1 — — — — 10 
Income tax on amounts reclassified to earnings
(2)(3)— — — 2 (3)
7 (2)— — — 2 7 
Balance as at March 31, 2025387 (10)(2,067)8,570 13 295 7,188 

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, 2024320 (23)(728)2,653 11 70 2,303 
Other comprehensive income/(loss) retained in AOCI
144 (15)(377)1,629 (1)— 1,380 
Other comprehensive (income)/loss reclassified to earnings
Foreign exchange contracts2
— 19 — — — — 19 
Amortization of pension and OPEB actuarial gain3
— — — — — (5)(5)
144 4 (377)1,629 (1)(5)1,394 
Tax impact
Income tax on amounts retained in AOCI
(34)4 — — — — (30)
Income tax on amounts reclassified to earnings
— (4)— — — 1 (3)
(34)— — — — 1 (33)
Balance as at March 31, 2024430 (19)(1,105)4,282 10 66 3,664 
1Reported within Interest expense in the Consolidated Statements of Earnings.
2Reported within Interest expense and Other income/(expense) in the Consolidated Statements of Earnings.
3These components are included in the computation of net periodic benefit credit and are reported within Other income/(expense) in the Consolidated Statements of Earnings.