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COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME
6 Months Ended
Jun. 30, 2024
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME
Changes in Accumulated other comprehensive income (AOCI) attributable to our common shareholders for the six months ended June 30, 2024 and 2023 are as follows:

Cash
Flow
Hedges
Excluded
Components
of Fair Value
Hedges
Net
Investment
Hedges
Cumulative
Translation
Adjustment
Equity
Investees
Pension
and
OPEB
Adjustment
Total
(millions of Canadian dollars)      
Balance as at January 1, 2024320 (23)(728)2,653 11 70 2,303 
Other comprehensive income/(loss) retained in AOCI
156 (26)(538)2,344 1  1,937 
Other comprehensive (income)/loss reclassified to earnings
Interest rate contracts1
12      12 
Commodity contracts2
(1)     (1)
Foreign exchange contracts3
 31     31 
Amortization of pension and OPEB actuarial gain4
     (11)(11)
167 5 (538)2,344 1 (11)1,968 
Tax impact     
 
Income tax on amounts retained in AOCI
(36)6     (30)
Income tax on amounts reclassified to earnings
(2)(7)   2 (7)
(38)(1)   2 (37)
Balance as at June 30, 2024449 (19)(1,266)4,997 12 61 4,234 
Cash
Flow
Hedges
Excluded
Components
of Fair Value
Hedges
Net
Investment
Hedges
Cumulative
Translation
Adjustment
Equity
Investees
Pension
and
OPEB
Adjustment
Total
(millions of Canadian dollars)
Balance as at January 1, 2023121 (35)(1,137)4,348 218 3,520 
Other comprehensive income/(loss) retained in AOCI
126 400 (1,482)— — (947)
Other comprehensive (income)/loss reclassified to earnings
Interest rate contracts1
23 — — — — — 23 
Commodity contracts2
(1)— — — — — (1)
Other contracts5
— — — — — 
Amortization of pension and OPEB actuarial gain4
— — — — — (10)(10)
149 400 (1,482)— (10)(934)
Tax impact
Income tax on amounts retained in AOCI
(23)— — — — — (23)
Income tax on amounts reclassified to earnings
(4)— — — — (2)
(27)— — — — (25)
Balance as at June 30, 2023243 (26)(737)2,866 210 2,561 
1Reported within Interest expense in the Consolidated Statements of Earnings.
2Reported within Transportation and other services revenues in the Consolidated Statements of Earnings.
3Reported within Transportation and other services revenues and Other income/(expense) in the Consolidated Statements of Earnings.
4These components are included in the computation of net periodic benefit credit and are reported within Other income/(expense) in the Consolidated Statements of Earnings.
5Reported within Operating and administrative expense in the Consolidated Statements of Earnings.