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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | 12. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
The components of accumulated other comprehensive income are as follows:
millions of Canadian dollars | Unrealized (loss) gain on translation of self-sustaining foreign operations | Net change in net investment hedges | (Losses) gains on derivatives recognized as cash flow hedges | Net change on available-for-sale investments | Net change in unrecognized pension and post-retirement benefit costs | Total AOCI
For the year ended December 31, 2017
Balance, January 1, 2017 | $ | 486 | $ | (49) | $ | (21) | $ | (1) | $ | (309) | $ | 106
Other comprehensive income (loss) before reclassifications |  | (457) |  | 97 |  | 10 |  | 5 |  | - |  | (345)
Amounts reclassified from accumulated other comprehensive income loss |  | - |  | - |  | 8 |  | (1) |  | 44 |  | 51
Net current period other comprehensive income (loss) |  | (457) |  | 97 |  | 18 |  | 4 |  | 44 |  | (294)
Other |  | - |  | - |  | - |  | - |  | - |  | -
Balance, December 31, 2017 | $ | 29 | $ | 48 | $ | (3) | $ | 3 | $ | (265) | $ | (188)
millions of Canadian dollars | Unrealized (loss) gain on translation of self-sustaining foreign operations | Net change in net investment hedges | (Losses) gains on derivatives recognized as cash flow hedges | Net change on available-for-sale investments | Net change in unrecognized pension and post-retirement benefit costs | Total AOCI
For the year ended December 31, 2016
Balance, January 1, 2016 | $ | 490 | $ | - | $ | (35) | $ | - | $ | (318) | $ | 137
Other comprehensive income (loss) before reclassifications |  | 35 |  | (49) |  | 11 |  | 3 |  | - |  | -
Amounts reclassified from accumulated other comprehensive income loss (gain) |  | - |  | - |  | 11 |  | (4) |  | 12 |  | 19
Equity method reclassification adjustments |  | (35) |  | - |  | (8) |  | - |  | (3) |  | (46)
Net current period other comprehensive income (loss) |  | - |  | (49) |  | 14 |  | (1) |  | 9 |  | (27)
Other |  | (4) |  | - |  | - |  | - |  | - |  | (4)
Balance, December 31, 2016 | $ | 486 | $ | (49) | $ | (21) | $ | (1) | $ | (309) | $ | 106
The reclassifications out of accumulated other comprehensive income (loss) are as follows:
For the |  | Year ended December 31
millions of Canadian dollars |  |  | 2017 |  | 2016
| Affected line item in the Consolidated Financial Statements |  | Amounts reclassified from AOCI
Equity method reclassification adjustments |  |  |  |  |
| Investments subject to significant influence | $ | - | $ | 54
Total before tax |  |  | - |  | 54
| Deferred income taxes |  | - |  | (8)
Total net of tax |  | $ | - | $ | 46
Losses (gain) on derivatives recognized as cash flow hedges |  |  |  |  |
Power and gas swaps | Non-regulated fuel for generation and purchased power | $ | (3) | $ | (2)
Interest rate swaps | Income from equity investments |  | - |  | 1
Foreign exchange forwards | Operating revenue - regulated |  | 10 |  | 12
Total before tax |  |  | 7 |  | 11
| Income tax recovery (expense) |  | 1 |  | -
Total net of tax |  | $ | 8 | $ | 11
Net change in available-for-sale investments |  |  |  |  |
| Other income (expenses), net | $ | (1) | $ | (4)
Total before tax |  |  | (1) |  | (4)
| Income tax recovery (expense) |  | - |  | -
Total net of tax |  | $ | (1) | $ | (4)
Net change in unrecognized pension and post-retirement benefit costs |  |  |  |  |
Actuarial losses (gains) | Operating, maintenance and general (“OM&G”) | $ | 40 | $ | 41
Past service costs (gains) | OM&G |  | (8) |  | (9)
Amounts reclassified into obligations | Pension and post-retirement benefits |  | 11 |  | (17)
Total before tax |  |  | 43 |  | 15
| Income tax recovery (expense) |  | 1 |  | (3)
Total net of tax |  | $ | 44 | $ | 12
Total reclassifications out of AOCI, net of tax, for the period |  | $ | 51 | $ | 65

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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