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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables) | 3 Months Ended
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Mar. 31, 2023
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule of Changes in AOCI Attributable to Enbridge, Inc. Common Shareholders | Changes in Accumulated other comprehensive income/(loss) (AOCI) attributable to our common shareholders for the three months ended March 31, 2023 and 2022 are as follows:
| Cash Flow Hedges | Excluded Components of Fair Value Hedges | Net Investment Hedges | Cumulative Translation Adjustment | Equity Investees | Pension and OPEB Adjustment | Total
(millions of Canadian dollars) |  |  |  |  |  |  |
Balance as at January 1, 2023 | 121 |  | (35) |  | (1,137) |  | 4,348 |  | 5 |  | 218 |  | 3,520 |
Other comprehensive income/(loss) retained in AOCI | (90) |  | 7 |  | 15 |  | (57) |  | — |  | — |  | (125) |
Other comprehensive loss/(income) reclassified to earnings |  |  |  |  |  |  |
Interest rate contracts 1 | 8 |  | — |  | — |  | — |  | — |  | — |  | 8 |
Other contracts 2 | 1 |  | — |  | — |  | — |  | — |  | — |  | 1 |
Amortization of pension and OPEB actuarial gain 3 | — |  | — |  | — |  | — |  | — |  | (5) |  | (5) |
| (81) |  | 7 |  | 15 |  | (57) |  | — |  | (5) |  | (121) |
Tax impact |  |  |  |  |  |  |
Income tax on amounts retained in AOCI | 28 |  | — |  | — |  | — |  | — |  | — |  | 28 |
Income tax on amounts reclassified to earnings | (2) |  | — |  | — |  | — |  | — |  | 1 |  | (1) |
| 26 |  | — |  | — |  | — |  | — |  | 1 |  | 27 |
Balance as at March 31, 2023 | 66 |  | (28) |  | (1,122) |  | 4,291 |  | 5 |  | 214 |  | 3,426 |
| Cash Flow Hedges | Excluded Components of Fair Value Hedges | Net Investment Hedges | Cumulative Translation Adjustment | Equity Investees | Pension and OPEB Adjustment | Total
(millions of Canadian dollars) |  |  |  |  |  |  |
Balance as at January 1, 2022 | (897) |  | — |  | (166) |  | 56 |  | (5) |  | (84) |  | (1,096) |
Other comprehensive income/(loss) retained in AOCI | 384 |  | (1) |  | 133 |  | (691) |  | — |  | — |  | (175) |
Other comprehensive loss/(income) reclassified to earnings |  |  |  |  |  |  |
Interest rate contracts 1 | 76 |  | — |  | — |  | — |  | — |  | — |  | 76 |
Foreign exchange contracts 4 | (4) |  | — |  | — |  | — |  | — |  | — |  | (4) |
Other contracts 2 | 2 |  | — |  | — |  | — |  | — |  | — |  | 2 |
Amortization of pension and OPEB actuarial gain 3 | — |  | — |  | — |  | — |  | — |  | (3) |  | (3) |
| 458 |  | (1) |  | 133 |  | (691) |  | — |  | (3) |  | (104) |
Tax impact |  |  |  |  |  |  |
Income tax on amounts retained in AOCI | (92) |  | — |  | — |  | — |  | — |  | — |  | (92) |
Income tax on amounts reclassified to earnings | (17) |  | — |  | — |  | — |  | — |  | 1 |  | (16) |
| (109) |  | — |  | — |  | — |  | — |  | 1 |  | (108) |
Balance as at March 31, 2022 | (548) |  | (1) |  | (33) |  | (635) |  | (5) |  | (86) |  | (1,308) |
1 Reported within Interest expense in the Consolidated Statements of Earnings. 2 Reported within Operating and administrative 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 in the Consolidated Statements of Earnings. 4 Reported within Transportation and other services revenues and Other income in the Consolidated Statements of Earnings.

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