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Costs Associated with Rationalization Programs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring and Related Activities [Abstract]
New charges	$ 26	$ 25	$ 69	$ 82
Reversals	0	0	(2)	(2)
Rationalizations	$ 26	$ 25	$ 67	$ 80

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Net total Increase or Decrease in the accrual for restructuring costs during the reporting period.

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