XML 200 R123.htm IDEA: XBRL DOCUMENT v3.8.0.1
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) - CAD
CAD in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Changes in AOCI      
Balance at the beginning of the period CAD 21,386    
Income tax on amounts reclassified to earnings of derecognized cash flow hedges     CAD 91
Balance at the end of the period 58,135 CAD 21,386  
Derecognized cash flow hedges      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings, Pension and OPEB     338
Accumulated other comprehensive income/(loss)      
Changes in AOCI      
Balance at the beginning of the period 1,058 1,632 (435)
Other comprehensive income/(loss) retained in AOCI (2,137) (760) 2,289
Other comprehensive (income)/loss reclassified to earnings, Pension and OPEB (41) (21) (32)
Total before tax impact (1,908) (620) 1,971
Income tax on amounts retained in AOCI (30) 102 1
Income tax on amounts reclassified to earnings (93) (56) 4
Tax impact 123 (46) 96
Balance at the end of the period (973) 1,058 1,632
Accumulated other comprehensive income/(loss) | Interest rate contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings, Cash Flow Hedges 207 147 (34)
Accumulated other comprehensive income/(loss) | Commodity contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings, Cash Flow Hedges (7) (11) (11)
Accumulated other comprehensive income/(loss) | Forward currency contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings, Cash Flow Hedges (6) 1 7
Accumulated other comprehensive income/(loss) | Other contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings, Cash Flow Hedges (6) (18) 26
Cash Flow Hedges      
Changes in AOCI      
Balance at the beginning of the period (746) (688) (488)
Other comprehensive income/(loss) retained in AOCI 1 (216) 73
Total before tax impact 189 (97) (277)
Income tax on amounts retained in AOCI (16) 91 (29)
Income tax on amounts reclassified to earnings (71) (52) 15
Income tax on amounts reclassified to earnings of derecognized cash flow hedges     91
Tax impact 87 (39) 77
Balance at the end of the period (644) (746) (688)
Cash Flow Hedges | Interest rate contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings 207 147 (34)
Cash Flow Hedges | Commodity contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings (7) (11) (11)
Cash Flow Hedges | Forward currency contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings (6) 1 7
Cash Flow Hedges | Other contracts      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings (6) (18) 26
Cash Flow Hedges | Derecognized cash flow hedges      
Changes in AOCI      
Other comprehensive (income)/loss reclassified to earnings     (338)
Net Investment Hedges      
Changes in AOCI      
Balance at the beginning of the period (629) (795) 108
Other comprehensive income/(loss) retained in AOCI 478 171 (952)
Total before tax impact 478 171 (952)
Income tax on amounts retained in AOCI 12 (5) 49
Tax impact (12) 5 49
Balance at the end of the period (139) (629) (795)
Cumulative Translation Adjustment      
Changes in AOCI      
Balance at the beginning of the period 2,700 3,365 309
Other comprehensive income/(loss) retained in AOCI (2,623) (665) 3,056
Total before tax impact (2,623) (665) 3,056
Tax impact 0 0 0
Balance at the end of the period 77 2,700 3,365
Equity Investees      
Changes in AOCI      
Balance at the beginning of the period 37 37 (5)
Other comprehensive income/(loss) retained in AOCI (11) (5) 47
Total before tax impact (11) (5) 47
Income tax on amounts retained in AOCI (16) 5 (5)
Tax impact 16 (5) (5)
Balance at the end of the period 10 37 37
Pension and OPEB Adjustment      
Changes in AOCI      
Balance at the beginning of the period (304) (287) (359)
Other comprehensive income/(loss) retained in AOCI 18 (45) 65
Other comprehensive (income)/loss reclassified to earnings     32
Other comprehensive (income)/loss reclassified to earnings, Pension and OPEB (41) (21)  
Total before tax impact 59 (24) 97
Income tax on amounts retained in AOCI (10) 11 (14)
Income tax on amounts reclassified to earnings (22) (4) (11)
Tax impact 32 (7) (25)
Balance at the end of the period CAD (277) CAD (304) CAD (287)