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Consolidated Statement Of Financial Position (Unaudited) (Parentheticals) (USD $) In Millions, except Per Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Property, plant and equipment, accumulated depreciation (in Dollars)	$ 4,289	$ 4,412
Common stock, par value (in Dollars per share)	$ 2.50	$ 2.50

- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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