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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - CAD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Changes in AOCI |  |
Balance at the beginning of the period | $ 73,435 |
Other comprehensive income/(loss) retained in AOCI | (2,852) | $ 2,129
Total before tax impact | (2,724) | 2,234
Income tax on amounts retained in AOCI | 160 | 42
Income tax on amounts reclassified to earnings | (39) | (26)
Tax impact | 121 | 16
Other | 55 |
Balance at the end of the period | 72,805 | 68,232
Total |  |
Changes in AOCI |  |
Balance at the beginning of the period | 2,672 | (973)
Balance at the end of the period | 124 | 1,277
Cash Flow Hedges |  |
Changes in AOCI |  |
Balance at the beginning of the period | (770) |
Other comprehensive income/(loss) retained in AOCI | (618) |
Total before tax impact | (547) |
Income tax on amounts retained in AOCI | 196 |
Income tax on amounts reclassified to earnings | (25) |
Tax impact | 171 |
Balance at the end of the period | (1,146) |
Cash Flow Hedges | Interest rate contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | 72 |
Cash Flow Hedges | Foreign exchange contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | 2 |
Cash Flow Hedges | Other contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | (3) |
Cash Flow Hedges |  |
Changes in AOCI |  |
Balance at the beginning of the period |  | (644)
Other comprehensive income/(loss) retained in AOCI |  | 100
Total before tax impact |  | 174
Income tax on amounts retained in AOCI |  | (13)
Income tax on amounts reclassified to earnings |  | (18)
Tax impact |  | (31)
Balance at the end of the period |  | (501)
Cash Flow Hedges | Interest rate contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | 67
Cash Flow Hedges | Commodity contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | (1)
Cash Flow Hedges | Foreign exchange contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | 5
Cash Flow Hedges | Other contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | 3
Net Investment Hedges |  |
Changes in AOCI |  |
Balance at the beginning of the period | (598) | (139)
Other comprehensive income/(loss) retained in AOCI | 252 | (328)
Total before tax impact | 252 | (328)
Income tax on amounts retained in AOCI | (31) | 45
Tax impact | (31) | 45
Balance at the end of the period | (377) | (422)
Cumulative Translation Adjustment |  |
Changes in AOCI |  |
Balance at the beginning of the period | 4,323 | 77
Other comprehensive income/(loss) retained in AOCI | (2,508) | 2,354
Total before tax impact | (2,508) | 2,354
Balance at the end of the period | 1,815 | 2,431
Equity Investees |  |
Changes in AOCI |  |
Balance at the beginning of the period | 34 | 10
Other comprehensive income/(loss) retained in AOCI | 22 | 3
Total before tax impact | 22 | 3
Income tax on amounts retained in AOCI | (5) | 10
Tax impact | (5) | 10
Balance at the end of the period | 51 | 23
Pension and OPEB Adjustment |  |
Changes in AOCI |  |
Balance at the beginning of the period | (317) | (277)
Other comprehensive (income)/loss reclassified to earnings | 57 | 31
Total before tax impact | 57 | 31
Income tax on amounts reclassified to earnings | (14) | (8)
Tax impact | (14) | (8)
Other | 55 |
Balance at the end of the period | $ (219) | $ (254)

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