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Changes in Accumulated other comprehensive income ("AOCI") by component (Tables)

6 Months Ended

Jun. 30, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Changes in Accumulated Other Comprehensive Income by Component

Changes in AOCI attributable to controlling shareholders, net of tax, by component are as follows:

(in millions of Canadian dollars)			Foreign currency net of hedging activities			Derivatives			Pension and post- retirement defined benefit plans			Equity accounted investments			Total
Opening balance, April 1, 2025			$	3,385		$	10		$	(737)		$	(5)		$	2,653
Other comprehensive (loss) income before reclassifications			(1,707)			—			—			3			(1,704)
Amounts reclassified from AOCI			—			1			1			—			2
Net other comprehensive (loss) income			(1,707)			1			1			3			(1,702)
Balance as at June 30, 2025			$	1,678		$	11		$	(736)		$	(2)		$	951
Opening balance, April 1, 2024			$	1,522		$	6		$	(1,454)		$	3		$	77
Other comprehensive income (loss) before reclassifications			294			—			—			(2)			292
Amounts reclassified from AOCI			—			2			8			—			10
Net other comprehensive income (loss)			294			2			8			(2)			302
Balance as at June 30, 2024			$	1,816		$	8		$	(1,446)		$	1		$	379

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- References

No definition available.

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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