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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS)
 12 Months Ended
Dec. 31, 2018
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS)
 COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS)
 
Changes in AOCI attributable to our common shareholders for the years ended December 31, 2018, 2017 and 2016 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, 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
)
 
 
Cash Flow
Hedges

Net
Investment
Hedges

Cumulative
Translation
Adjustment

Equity
Investees

Pension and
OPEB
Adjustment

Total

(millions of Canadian dollars)
 
 
 
 
 
 
Balance at January 1, 2016
(688
)
(795
)
3,365

37

(287
)
1,632

Other comprehensive income/(loss) retained in AOCI
(216
)
171

(665
)
(5
)
(45
)
(760
)
Other comprehensive (income)/loss reclassified to earnings
 
 
 
 
 
 
Interest rate contracts1
147

—

—

—

—

147

Commodity contracts2
(11
)
—

—

—

—

(11
)
Foreign exchange contracts3
1

—

—

—

—

1

Other contracts4
(18
)
—

—

—

—

(18
)
 Amortization of pension and OPEB actuarial loss and prior service costs5
—

—

—

—

21

21

 
(97
)
171

(665
)
(5
)
(24
)
(620
)
Tax impact
 
 
 
 
 
 
Income tax on amounts retained in AOCI
91

(5
)
—

5

11

102

Income tax on amounts reclassified to earnings
(52
)
—

—

—

(4
)
(56
)
 
39

(5
)
—

5

7

46

Balance at December 31, 2016
(746
)
(629
)
2,700

37

(304
)
1,058

1
Reported within Interest expense in the Consolidated Statements of Earnings.
2
Reported within Commodity costs in the Consolidated Statements of Earnings.
3
Reported within Other income/(expense) 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 Operating and administrative 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.