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CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
CONSOLIDATED BALANCE SHEET
Common stock, shares authorized	800	800
Common stock, par value per share (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares outstanding	291.9	292.0

Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.

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