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Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Unrealized gain on available for sale securities, tax effect	$ 0	$ 1
Stock options exercised, tax effect	0	0
Additional Paid-In Capital
Stock options exercised, tax effect	0	0
Accumulated Other Comprehensive Income (Loss)
Unrealized gain on available for sale securities, tax effect	$ 0	$ 1

This item represents the tax effects occurring during the period which are related to the net unrealized gain (loss) resulting from changes in the fair [carrying] value during the period of available-for-sale securities. Such tax affects would have been charged or credited directly to other comprehensive income or to related components of shareholders' equity.

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