other comprehensive income (Tables)

6 Months Ended

Jun. 30, 2026

other comprehensive income

Schedule of other comprehensive income

		Three-month period ended June 30, 2025										Three-month period ended June 30, 2026
		Accumulated										Accumulated
		balance,								Accumulated		balance,								Accumulated
		beginning of		Amount		Income				balance, end		beginning of		Amount		Income				balance, end
(millions)	Note	period		arising		taxes		Net		of period		period		arising		taxes		Net		of period
Items that may subsequently be reclassified to income
Change in unrealized fair value of derivatives designated as cash flow hedges	4(e)
Derivatives used to manage currency risk
Unrealized gains (losses) arising				$	(343)	$	(41)							$	67	$	(4)
Realized (gains) losses reclassified to net income					326		52								(220)		(33)
		$	(256)		(17)		11	$	(28)	$	(284)	$	(194)		(153)		(37)	$	(116)	$	(310)
Derivatives used to manage other market risks	2(a)
Unrealized gains (losses) arising					35		9								8		3
Realized (gains) losses reclassified to net income					(1)		—								(2)		(1)
			(16)		34		9		25		9		(16)		6		2		4		(12)
Total			(272)		17		20		(3)		(275)		(210)		(147)		(35)		(112)		(322)
Cumulative foreign currency translation adjustment			229		(78)		—		(78)		151		191		62		—		62		253
Item never reclassified to income
Change in measurement of investment financial assets
Unrealized gains (losses) arising					1		—								(3)		—
Realized gains (losses)					3		1								1		—
			62		4		1		3		65		59		(2)		—		(2)		57
Accumulated other comprehensive income (loss)		$	19		(57)		21		(78)	$	(59)	$	40		(87)		(35)		(52)	$	(12)
Attributable to:
Common Shares		$	(61)							$	(85)	$	40							$	(12)
Non-controlling interests			80								26		—								—
		$	19							$	(59)	$	40							$	(12)
Item never reclassified to income
Employee defined benefit plan re‑measurements	15(a)				36		9		27						(1)		—		(1)
Other comprehensive income				$	(21)	$	30	$	(51)					$	(88)	$	(35)	$	(53)

		Six-month period ended June 30, 2025										Six-month period ended June 30, 2026
		Accumulated										Accumulated
		balance,								Accumulated		balance,								Accumulated
		beginning of		Amount		Income				balance, end		beginning of		Amount		Income				balance, end
(millions)	Note	period		arising		taxes		Net		of period		period		arising		taxes		Net		of period
Items that may subsequently be reclassified to income
Change in unrealized fair value of derivatives designated as cash flow hedges	4(e)
Derivatives used to manage currency risk
Unrealized gains (losses) arising				$	(323)	$	(30)							$	268	$	29
Realized (gains) losses reclassified to net income					320		51								(394)		(59)
		$	(260)		(3)		21	$	(24)	$	(284)	$	(214)		(126)		(30)	$	(96)	$	(310)
Derivatives used to manage other market risks
Unrealized gains (losses) arising					17		5								(18)		(4)
Realized (gains) losses reclassified to net income					(3)		(1)								(3)		(1)
			(1)		14		4		10		9		4		(21)		(5)		(16)		(12)
Total			(261)		11		25		(14)		(275)		(210)		(147)		(35)		(112)		(322)
Cumulative foreign currency translation adjustment			169		(18)		—		(18)		151		150		103		—		103		253
Item never reclassified to income
Change in measurement of investment financial assets
Unrealized gains (losses) arising					3		—								(3)		—
Realized gains (losses)					6		2								(5)		(1)
			58		9		2		7		65		64		(8)		(1)		(7)		57
Accumulated other comprehensive income (loss)		$	(34)		2		27		(25)	$	(59)	$	4		(52)		(36)		(16)	$	(12)
Attributable to:
Common Shares		$	(105)							$	(85)	$	4							$	(12)
Non-controlling interests			71								26		—								—
		$	(34)							$	(59)	$	4							$	(12)
Item never reclassified to income
Employee defined benefit plan re‑measurements	15(a)				35		9		26						16		4		12
Other comprehensive income				$	37	$	36	$	1					$	(36)	$	(32)	$	(4)