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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - CAD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Changes in AOCI |  |
Balance at the beginning of the period | $ 73,435 |
Other comprehensive income/(loss) retained in AOCI | (2,483) | $ 1,422
Other comprehensive (income)/loss reclassified to earnings | 59 | 36
Total before tax impact | (2,316) | 1,565
Income tax on amounts retained in AOCI | 227 | 15
Income tax on amounts reclassified to earnings | (49) | (37)
Tax impact | 178 | (22)
Other | 48 |
Balance at the end of the period | 72,676 | 67,898
Interest rate contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | 108 | 92
Commodity contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | (1)
Foreign exchange contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | 4 | 6
Other contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | (4) | 10
Total |  |
Changes in AOCI |  |
Balance at the beginning of the period | 2,672 | (973)
Balance at the end of the period | 582 | 570
Cash Flow Hedges |  |
Changes in AOCI |  |
Balance at the beginning of the period | (770) |
Other comprehensive income/(loss) retained in AOCI | (845) |
Total before tax impact | (737) |
Income tax on amounts retained in AOCI | 254 |
Income tax on amounts reclassified to earnings | (34) |
Tax impact | 220 |
Balance at the end of the period | (1,287) |
Cash Flow Hedges | Interest rate contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | 108 |
Cash Flow Hedges | Foreign exchange contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | 4 |
Cash Flow Hedges | Other contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings | (4) |
Cash Flow Hedges |  |
Changes in AOCI |  |
Balance at the beginning of the period |  | (644)
Other comprehensive income/(loss) retained in AOCI |  | 167
Total before tax impact |  | 274
Income tax on amounts retained in AOCI |  | (26)
Income tax on amounts reclassified to earnings |  | (29)
Tax impact |  | (55)
Balance at the end of the period |  | (425)
Cash Flow Hedges | Interest rate contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | 92
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 |  | 6
Cash Flow Hedges | Other contracts |  |
Changes in AOCI |  |
Other comprehensive (income)/loss reclassified to earnings |  | 10
Net Investment Hedges |  |
Changes in AOCI |  |
Balance at the beginning of the period | (598) | (139)
Other comprehensive income/(loss) retained in AOCI | 167 | (232)
Total before tax impact | 167 | (232)
Income tax on amounts retained in AOCI | (20) | 32
Tax impact | (20) | 32
Balance at the end of the period | (451) | (339)
Cumulative Translation Adjustment |  |
Changes in AOCI |  |
Balance at the beginning of the period | 4,323 | 77
Other comprehensive income/(loss) retained in AOCI | (1,831) | 1,495
Total before tax impact | (1,831) | 1,495
Balance at the end of the period | 2,492 | 1,572
Equity Investees |  |
Changes in AOCI |  |
Balance at the beginning of the period | 34 | 10
Other comprehensive income/(loss) retained in AOCI | 26 | (8)
Total before tax impact | 26 | (8)
Income tax on amounts retained in AOCI | (7) | 9
Tax impact | (7) | 9
Balance at the end of the period | 46 | 11
Pension and OPEB Adjustment |  |
Changes in AOCI |  |
Balance at the beginning of the period | (317) | (277)
Other comprehensive (income)/loss reclassified to earnings | 59 | 36
Total before tax impact | 59 | 36
Income tax on amounts reclassified to earnings | (15) | (8)
Tax impact | (15) | (8)
Other | 55 |
Balance at the end of the period | $ (218) | $ (249)

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