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Segment Information
9 Months Ended
Dec. 31, 2011
Segment Information [Abstract]  
Segment Information

14. Segment Information

     We report our operations in two operating segments: McKesson Distribution Solutions and McKesson Technology Solutions. The factors for determining the reportable segments included the manner in which management evaluates the performance of the Company combined with the nature of the individual business activities. We evaluate the performance of our operating segments on a number of measures, including operating profit before interest expense, income taxes and results from discontinued operations. Financial information relating to our reportable operating segments and reconciliations to the condensed consolidated totals is as follows: