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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables)
12 Months Ended
Dec. 31, 2019
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Schedule of changes in AOCI attributable to Enbridge common shareholders
 
Changes in AOCI attributable to our common shareholders for the years ended December 31, 2019, 2018 and 2017 are as follows:
 
Cash Flow
Hedges

Net
Investment
Hedges

Cumulative
Translation
Adjustment

Equity
Investees

Pension and
OPEB
Adjustment

Total

(millions of Canadian dollars)
 

 

 

 

 

 

Balance at January 1, 2019
(770
)
(598
)
4,323

34

(317
)
2,672

Other comprehensive income/(loss) retained in AOCI
(599
)
320

(2,927
)
34

(124
)
(3,296
)
Other comprehensive (income)/loss reclassified to earnings
 

 

 

 

 

 

Interest rate contracts1
157





157

Commodity contracts2
(1
)




(1
)
Foreign exchange contracts3
5





5

Other contracts4
(3
)




(3
)
 Amortization of pension and OPEB actuarial loss and prior service costs5




17

17

 
(441
)
320

(2,927
)
34

(107
)
(3,121
)
Tax impact
 

 

 

 

 

 

Income tax on amounts retained in AOCI
169

(39
)

6

28

164

Income tax on amounts reclassified to earnings
(31
)



(4
)
(35
)
 
138

(39
)

6

24

129

Other



(7
)
55

48

Balance at December 31, 2019
(1,073
)
(317
)
1,396

67

(345
)
(272
)

 
Cash Flow
Hedges

Net
Investment
Hedges

Cumulative
Translation
Adjustment

Equity
Investees

Pension and
OPEB
Adjustment

Total

(millions of Canadian dollars)
 
 
 
 
 
 
Balance at January 1, 2018
(644
)
(139
)
77

10

(277
)
(973
)
Other comprehensive income/(loss) retained in AOCI
(244
)
(509
)
4,301

16

(85
)
3,479

Other comprehensive (income)/loss reclassified to earnings
 
 
 
 
 
 
Interest rate contracts1
157





157

Commodity contracts2
(1
)




(1
)
Foreign exchange contracts3
7





7

Other contracts4
22





22

 Amortization of pension and OPEB actuarial loss and prior service costs5




16

16

 
(59
)
(509
)
4,301

16

(69
)
3,680

Tax impact
 
 
 
 
 
 
Income tax on amounts retained in AOCI
57

50


8

33

148

Income tax on amounts reclassified to earnings
(37
)



(4
)
(41
)
 
20

50


8

29

107

Sponsored Vehicles buy-in6
(87
)

(55
)


(142
)
Balance at December 31, 2018
(770
)
(598
)
4,323

34

(317
)
2,672

 
 
Cash Flow
Hedges

Net
Investment
Hedges

Cumulative
Translation
Adjustment

Equity
Investees

Pension and
OPEB
Adjustment

Total

(millions of Canadian dollars)
 
 
 
 
 
 
Balance at January 1, 2017
(746
)
(629
)
2,700

37

(304
)
1,058

Other comprehensive income/(loss) retained in AOCI
1

478

(2,623
)
(11
)
18

(2,137
)
Other comprehensive (income)/loss reclassified to earnings
 
 
 
 
 
 
Interest rate contracts1
207





207

Commodity contracts2
(7
)




(7
)
Foreign exchange contracts3
(6
)




(6
)
Other contracts4
(6
)




(6
)
 Amortization of pension and OPEB actuarial loss and prior service costs5




41

41

 
189

478

(2,623
)
(11
)
59

(1,908
)
Tax impact
 
 
 
 
 
 
Income tax on amounts retained in AOCI
(16
)
12


(16
)
(10
)
(30
)
Income tax on amounts reclassified to earnings
(71
)



(22
)
(93
)
 
(87
)
12


(16
)
(32
)
(123
)
Balance at December 31, 2017
(644
)
(139
)
77

10

(277
)
(973
)
1
Reported within Interest expense in the Consolidated Statements of Earnings.
2
Reported within Transportation and other services revenue, Commodity sales revenues, Commodity costs and Operating and administrative expense in the Consolidated Statements of Earnings.
3
Reported within Transportation and other services revenues and Net foreign currency gain/(loss) in the Consolidated Statements of Earnings.
4
Reported within Operating and administrative expense in the Consolidated Statements of Earnings.
5
These components are included in the computation of net benefit costs and are reported within Other income/(expense) in the Consolidated Statements of Earnings.
6
Represents the historical noncontrolling interests and redeemable noncontrolling interests related to the Sponsored Vehicles reclassified to AOCI, upon the completion of the buy-in.