Income Taxes And Other Taxes (Narrative) (Details) (USD $) In Millions	3 Months Ended
Jun. 30, 2010
Income Taxes And Other Taxes
Non-deductible goodwill impairment charge	$ 500

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details