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Litigation And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Loss Contingency [Abstract]
Reserve for environmental matters	$ 133
Accrued environmental loss contingencies, noncurrent	92
Guarantees	$ 379	$ 355

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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