Accumulated other comprehensive loss

12 Months Ended

Dec. 31, 2016

Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]

Accumulated other comprehensive loss

15 - Accumulated other comprehensive loss

In millions				Foreign currency translation adjustments		Pension and other postretirement benefit plans		Derivative instruments		Total before tax			Income tax recovery (expense)			Total net of tax
Balance at December 31, 2013			$	(533)	$	(1,515)	$	8	$	(2,040)		$	190		$	(1,850)
Other comprehensive income (loss)
	before reclassifications:
	Foreign exchange gain on
		translation of net investment in
		foreign operations		644						644			4			648
	Foreign exchange loss on
		translation of US dollar-
		denominated debt
		designated as a hedge of the net
		investment in U.S. subsidiaries		(569)						(569)			73			(496)
	Actuarial loss arising during the year					(1,120)				(1,120)			301			(819)
	Prior service cost from plan
		amendment arising during the year				(4)				(4)			1			(3)
Amounts reclassified from Accumulated
	other comprehensive loss:
	Amortization of net actuarial loss					120				120	(1)		(32)	(2)		88
	Amortization of prior service costs					6				6	(1)		(2)	(2)		4
	Settlement loss arising during the year					3				3	(1)		(1)	(2)		2
	Amortization of gain on treasury lock							(1)		(1)	(3)		-			(1)
Other comprehensive income (loss)				75		(995)		(1)		(921)			344			(577)
Balance at December 31, 2014			$	(458)	$	(2,510)	$	7	$	(2,961)		$	534		$	(2,427)
Other comprehensive income (loss)
	before reclassifications:
	Foreign exchange gain on
		translation of net investment in
		foreign operations		1,607						1,607			-			1,607
	Foreign exchange loss on
		translation of US dollar-
		denominated debt
		designated as a hedge of the net
		investment in U.S. subsidiaries		(1,358)						(1,358)			181			(1,177)
	Actuarial gain arising during the year					74				74			(18)			56
	Prior service cost from plan
		amendment arising during the year				(1)				(1)			-			(1)
Amounts reclassified from Accumulated
	other comprehensive loss:
	Amortization of net actuarial loss					224				224	(1)		(56)	(2)		168
	Amortization of prior service costs					5				5	(1)		(1)	(2)		4
	Settlement loss arising during the year					4				4	(1)		(1)	(2)		3
Other comprehensive income				249		306		-		555			105			660
Balance at December 31, 2015			$	(209)	$	(2,204)	$	7	$	(2,406)		$	639		$	(1,767)
(1)		Reclassified to Labor and fringe benefits in the Consolidated Statements of Income and included in components of net periodic benefit cost. See Note 12 - Pensions and other postretirement benefits.
(2)		Included in Income tax expense in the Consolidated Statements of Income.
(3)		Related to treasury lock transactions settled in prior years, which are being amortized over the terms of the related debt to Interest expense on the Consolidated Statements of Income.
In millions				Foreign currency translation adjustments		Pension and other postretirement benefit plans		Derivative instruments		Total before tax			Income tax recovery (expense)			Total net of tax
Balance at December 31, 2015			$	(209)	$	(2,204)	$	7	$	(2,406)		$	639		$	(1,767)
Other comprehensive income (loss)
	before reclassifications:
	Foreign exchange loss on
		translation of net investment in
		foreign operations		(310)						(310)			-			(310)
	Foreign exchange gain on
		translation of US dollar-
		denominated debt
		designated as a hedge of the net
		investment in U.S. subsidiaries		265						265			(35)			230
	Actuarial loss arising during the year					(881)				(881)			235			(646)
Amounts reclassified from Accumulated
	other comprehensive loss:
	Amortization of net actuarial loss					172				172	(1)		(47)	(2)		125
	Amortization of prior service costs					5				5	(1)		(1)	(2)		4
	Settlement loss arising during the year					10				10	(1)		(4)	(2)		6
Other comprehensive income (loss)				(45)		(694)		-		(739)			148			(591)
Balance at December 31, 2016			$	(254)	$	(2,898)	$	7	$	(3,145)		$	787		$	(2,358)
(1)		Reclassified to Labor and fringe benefits in the Consolidated Statements of Income and included in components of net periodic benefit cost. See Note 12 - Pensions and other postretirement benefits.
(2)		Included in Income tax expense in the Consolidated Statements of Income.