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Expenses (Costs Related To Acquisition And Restructuring) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Expenses [Abstract]
Acquisition costs	$ 21	$ 15
Restructuring charges, net	12	(1)
Total acquisition and restructuring costs	$ 33	$ 14

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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