Restructuring charges (Tables)

3 Months Ended

Mar. 31, 2012

Restructuring and Related Activities [Abstract]

Changes in accrued restructuring balances

The table below reflects the changes in accrued restructuring balances associated with these actions:



	2011 Actions						Previous Actions
	Severance and Benefits			Other Charges			Severance and Benefits			Other Charges		Total
Remaining accrual at December 31, 2011	$	96		$	—		$	13		$	7	$	116
Restructuring charges	—			10			—			—		10
Non-cash items (a)	3			(6		)	—			—		(3		)
Payments	(2		)	(1		)	(3		)	—		(6		)
Remaining accrual at March 31, 2012	$	97		$	3		$	10		$	7	$	117

(a) Reflects charges for curtailment and special termination benefits relating to the postretirement benefit plans and accelerated depreciation.

- Definition

Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

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