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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables) | 12 Months Ended
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Dec. 31, 2016
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) |
Schedule of changes in AOCI attributable to Enbridge common shareholders |
|  |  |  |  |  |  |  |  |  | Pension and |  |  |
|  |  |  | Net |  | Cumulative |  |  |  | OPEB |  |  |
|  | Cash Flow |  | Investment |  | Translation |  | Equity |  | Amortization |  |  |
|  | Hedges |  | Hedges |  | Adjustment |  | Investees |  | Adjustment |  | Total |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at January 1, 2016 |  | (688) |  | (795) |  | 3,365 |  | 37 |  | (287) |  | 1,632 |
Other comprehensive income/(loss) retained in AOCI |  | (216) |  | 171 |  | (665) |  | (5) |  | (45) |  | (760) |
Other comprehensive (income)/loss reclassified to earnings |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts 1 |  | 147 |  | - |  | - |  | - |  | - |  | 147 |
Commodity contracts 2 |  | (11) |  | - |  | - |  | - |  | - |  | (11) |
Foreign exchange contracts 3 |  | 1 |  | - |  | - |  | - |  | - |  | 1 |
Other contracts 4 |  | (18) |  | - |  | - |  | - |  | - |  | (18) |
Amortization of pension and OPEB actuarial loss prior service costs 5 |  | - |  | - |  | - |  | - |  | 21 |  | 21 |
|  | (97) |  | 171 |  | (665) |  | (5) |  | (24) |  | (620) |
Tax impact |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax on amounts retained in AOCI |  | 91 |  | (5) |  | - |  | 5 |  | 11 |  | 102 |
Income tax on amounts reclassified to earnings |  | (52) |  | - |  | - |  | - |  | (4) |  | (56) |
|  | 39 |  | (5) |  | - |  | 5 |  | 7 |  | 46 |
Balance at December 31, 2016 |  | (746) |  | (629) |  | 2,700 |  | 37 |  | (304) |  | 1,058 |
|  |  |  |  |  |  |  |  |  | Pension and |  |  |
|  |  |  | Net |  | Cumulative |  |  |  | OPEB |  |  |
|  | Cash Flow |  | Investment |  | Translation |  | Equity |  | Amortization |  |  |
|  | Hedges |  | Hedges |  | Adjustment |  | Investees |  | Adjustment |  | Total |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at January 1, 2015 |  | (488) |  | 108 |  | 309 |  | (5) |  | (359) |  | (435) |
Other comprehensive income/(loss) retained in AOCI |  | 73 |  | (952) |  | 3,056 |  | 47 |  | 65 |  | 2,289 |
Other comprehensive (income)/loss reclassified to earnings |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts 1 |  | (34) |  | - |  | - |  | - |  | - |  | (34) |
Commodity contracts 2 |  | (11) |  | - |  | - |  | - |  | - |  | (11) |
Foreign exchange contracts 3 |  | 7 |  | - |  | - |  | - |  | - |  | 7 |
Other contracts 4 |  | 26 |  | - |  | - |  | - |  | - |  | 26 |
Amortization of pension and OPEB actuarial loss and prior service costs 5 |  | - |  | - |  | - |  | - |  | 32 |  | 32 |
Other comprehensive loss reclassified to earnings of derecognized cash flow hedges |  | (338) |  | - |  | - |  | - |  | - |  | (338) |
|  | (277) |  | (952) |  | 3,056 |  | 47 |  | 97 |  | 1,971 |
Tax impact |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax on amounts retained in AOCI |  | (29) |  | 49 |  | - |  | (5 | ) | (14) |  | 1 |
Income tax on amounts reclassified to earnings |  | 15 |  | - |  | - |  | - |  | (11) |  | 4 |
Income tax on amounts reclassified to earnings of derecognized cash flow hedges |  | 91 |  | - |  | - |  | - |  | - |  | 91 |
|  | 77 |  | 49 |  | - |  | (5) |  | (25) |  | 96 |
Balance at December 31, 2015 |  | (688) |  | (795) |  | 3,365 |  | 37 |  | (287) |  | 1,632 |
|  |  |  |  |  |  |  |  |  | Pension and |  |  |
|  |  |  | Net |  | Cumulative |  |  |  | OPEB |  |  |
|  | Cash Flow |  | Investment |  | Translation |  | Equity |  | Amortization |  |  |
|  | Hedges |  | Hedges |  | Adjustment |  | Investees |  | Adjustment |  | Total |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at January 1, 2014 |  | (1) |  | 378 |  | (778) |  | (15) |  | (183) |  | (599) |
Other comprehensive income/(loss) retained in AOCI |  | (857) |  | (301) |  | 1,087 |  | 10 |  | (265) |  | (326) |
Other comprehensive (income)/loss reclassified to earnings |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts 1 |  | 201 |  | - |  | - |  | - |  | - |  | 201 |
Commodity contracts 2 |  | (2) |  | - |  | - |  | - |  | - |  | (2) |
Foreign exchange contracts 3 |  | 8 |  | - |  | - |  | - |  | - |  | 8 |
Other contracts 4 |  | (23) |  | - |  | - |  | - |  | - |  | (23) |
Amortization of pension and OPEB actuarial loss and prior service costs 5 |  | - |  | - |  | - |  | - |  | 18 |  | 18 |
|  | (673) |  | (301) |  | 1,087 |  | 10 |  | (247) |  | (124) |
Tax impact |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax on amounts retained in AOCI |  | 231 |  | 31 |  | - |  | - |  | 74 |  | 336 |
Income tax on amounts reclassified to earnings |  | (45) |  | - |  | - |  | - |  | (3) |  | (48) |
|  | 186 |  | 31 |  | - |  | - |  | 71 |  | 288 |
Balance at December 31, 2014 |  | (488) |  | 108 |  | 309 |  | (5) |  | (359) |  | (435) |
| 1 |  | Reported within Interest expense in the Consolidated Statements of Earnings.
| 2 |  | Reported within Commodity costs in the Consolidated Statements of Earnings.
| 3 |  | Reported within Other income/(expense) in the Consolidated Statements of Earnings.
| 4 |  | Reported within Operating and administrative expense in the Consolidated Statements of Earnings.
| 5 |  | These components are included in the computation of net periodic pension costs and are reported within Operating and administrative expense in the Consolidated Statements of Earnings.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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