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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | CAD 16,786 |  |
Balance at the end of the period | 18,898 | CAD 16,786 |
Accumulated other comprehensive income/(loss) (Note 24) |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | (435) | (599) | CAD (1,762)
Other comprehensive gains/(loss) retained in AOCI | 2,289 | (326) | 1,259
Total before tax impact | 1,971 | (124) | 1,420
Income tax on amounts retained in AOCI | 1 | 336 | (212)
Income tax on amounts reclassified to earnings | 4 | (48) | (45)
Tax impact | 96 | 288 | (257)
Balance at the end of the period | 1,632 | (435) | (599)
Accumulated other comprehensive income/(loss) (Note 24) | Interest rate contracts |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | (34) | 201 | 134
Accumulated other comprehensive income/(loss) (Note 24) | Commodity contracts |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | (11) | (2) | (1)
Accumulated other comprehensive income/(loss) (Note 24) | Foreign Exchange Risk |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | 7 | 8 | (8)
Accumulated other comprehensive income/(loss) (Note 24) | Other contracts |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | 26 | (23) |
Accumulated other comprehensive income/(loss) (Note 24) | Amortization of pension and OPEB actuarial loss and prior service costs |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | 32 | 18 | 36
Accumulated other comprehensive income/(loss) (Note 24) | Derecognized Cash Flow Hedges |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | (338) |  |
Tax impact | 91 |  |
Cash Flow Hedges |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | (488) | (1) | (621)
Other comprehensive gains/(loss) retained in AOCI | 73 | (857) | 707
Total before tax impact | (277) | (673) | 832
Income tax on amounts retained in AOCI | (29) | 231 | (176)
Income tax on amounts reclassified to earnings | 15 | (45) | (36)
Tax impact | 77 | 186 | (212)
Balance at the end of the period | (688) | (488) | (1)
Cash Flow Hedges | Interest rate contracts |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | (34) | 201 | 134
Cash Flow Hedges | Commodity contracts |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | (11) | (2) | (1)
Cash Flow Hedges | Foreign Exchange Risk |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | 7 | 8 | (8)
Cash Flow Hedges | Other contracts |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | 26 | (23) |
Cash Flow Hedges | Derecognized Cash Flow Hedges |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | (338) |  |
Tax impact | 91 |  |
Net Investment Hedges |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | 108 | 378 | 474
Other comprehensive gains/(loss) retained in AOCI | (952) | (301) | (111)
Total before tax impact | (952) | (301) | (111)
Income tax on amounts retained in AOCI | 49 | 31 | 15
Tax impact | 49 | 31 | 15
Balance at the end of the period | (795) | 108 | 378
Cumulative Translation Adjustment |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | 309 | (778) | (1,265)
Other comprehensive gains/(loss) retained in AOCI | 3,056 | 1,087 | 487
Total before tax impact | 3,056 | 1,087 | 487
Balance at the end of the period | 3,365 | 309 | (778)
Equity Investees |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | (5) | (15) | (26)
Other comprehensive gains/(loss) retained in AOCI | 47 | 10 | 11
Total before tax impact | 47 | 10 | 11
Income tax on amounts retained in AOCI | (5) |  |
Tax impact | (5) |  |
Balance at the end of the period | 37 | (5) | (15)
Pension and OPEB Amortization Adjustment |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Balance at the beginning of the period | (359) | (183) | (324)
Other comprehensive gains/(loss) retained in AOCI | 65 | (265) | 165
Total before tax impact | 97 | (247) | 201
Income tax on amounts retained in AOCI | (14) | 74 | (51)
Income tax on amounts reclassified to earnings | (11) | (3) | (9)
Tax impact | (25) | 71 | (60)
Balance at the end of the period | (287) | (359) | (183)
Pension and OPEB Amortization Adjustment | Amortization of pension and OPEB actuarial loss and prior service costs |  |  |
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS |  |  |
Other comprehensive gains/(loss) reclassified to earnings | CAD 32 | CAD 18 | CAD 36

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