COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2012

COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS

Schedule of Changes in AOCI attributable

	Cash Flow Hedges		Net Investment Hedges		Cumulative Translation Adjustment		Equity Investees		Pension and OPEB Actuarial Gain/(Loss) Adjustment		Total
(millions of Canadian dollars)
Balance at January 1, 2010	69		429		(1,033	)	(15	)	(104	)	(654	)
Changes during the year	(136	)	61		(255	)	3		(52	)	(379	)
Tax impact	1		(10	)	-		1		14		6
	(135	)	51		(255	)	4		(38	)	(373	)
Balance at December 31, 2010	(66	)	480		(1,288	)	(11	)	(142	)	(1,027	)
Changes during the year	(563	)	(21	)	85		(20	)	(200	)	(719	)
Tax impact	153		2		-		3		56		214
	(410	)	(19	)	85		(17	)	(144	)	(505	)
Balance at December 31, 2011	(476	)	461		(1,203	)	(28	)	(286	)	(1,532	)
Changes during the year	(190	)	16		(99	)	7		(52	)	(318	)
Tax impact	45		(3	)	-		(5	)	14		51
	(145	)	13		(99	)	2		(38	)	(267	)
Balance at December 31, 2012	(621	)	474		(1,302	)	(26	)	(324	)	(1,799	)