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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets
Allowances of accounts and notes receivable	$ 7	$ 8
Shareholders' Equity
Capital stock, shares authorized (in shares)	150	150
Capital stock, stated value (in dollars per share)	$ 0.75	$ 0.75
Capital stock, shares outstanding (in shares)	41.7	41.3

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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