Accumulated other comprehensive loss

12 Months Ended

Dec. 31, 2011

Notes To Financial Statements [Abstract]

Accumulated other comprehensive loss

19 – Accumulated other comprehensive loss

The components of Accumulated other comprehensive loss are as follows:

In millions	December 31,		2011		2010
Foreign exchange loss		$	(769)	$	(796)
Pension and other postretirement benefit plans			(2,076)		(920)
Derivative instruments (Note 18)			6		7
Accumulated other comprehensive loss		$	(2,839)	$	(1,709)

The components of Other comprehensive lossand the related tax effects are as follows:

In millions			Year ended December 31,		2011		2010		2009
Accumulated other comprehensive loss - Balance at January 1				$	(1,709)	$	(948)	$	(155)
Other comprehensive income (loss):
	Foreign exchange gain (loss) (net of income tax (expense) recovery of
		$19, $(53) and $(131), for 2011, 2010 and 2009, respectively)			27		(68)		(153)
	Pension and other postretirement benefit plans (net of income tax (expense) recovery of
		$401, $241 and $223, for 2011, 2010 and 2009, respectively)			(1,156)		(692)		(640)
	Derivative instruments (net of income tax recovery of
		$1, nil and nil for 2011, 2010 and 2009, respectively)			(1)		(1)		-
Other comprehensive loss					(1,130)		(761)		(793)
Accumulated other comprehensive loss - Balance at December 31				$	(2,839)	$	(1,709)	$	(948)