Company:  MCKESSON CORP (MCK)
Form Type:  10-K
Filing Date:  5/2/2012 
CIK:  0000927653 
Address:  ONE POST ST
MCKESSON PLAZA
 
City, State, Zip:  SAN FRANCISCO, California 94104 
Telephone:  (415) 983-8300 
Fiscal Year:  03/31 
Last Trade
Last Trade: 
$117.87  
Change: 
-0.545 (-0.46%)  
Trade Time: 
02:41 PM EST  
Market Cap: 
$26.71B
Description of Business
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  FORM 10-K
    PART I
      Item 1. Business.
      Item 1A. Risk Factors.
      Item 1B. Unresolved Staff Comments.
      Item 2. Properties.
      Item 3. Legal Proceedings.
      Item 4. Mine Safety Disclosures.
        NAME AND TITLE
    PART II
      Item 5. Market for the Registrant's Common Equity, Related ...
      Item 6. Selected Financial Data.
      Item 7. Management's Discussion and Analysis of Financial ...
        RESULTS OF OPERATIONS
        FINANCIAL CONDITION, LIQUIDITY AND CAPITAL RESOURCES
          BALANCE SHEET
      Item 7A. Quantitative and Qualitative Disclosures about ...
      Item 8. Financial Statements and Supplementary Data
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
        INCOME STATEMENT
        BALANCE SHEET
        BALANCE SHEET
        STOCKHOLDERS EQUITY
        CASH FLOW
      Item 9. Changes in and Disagreements with Accountants on ...
      Item 9A. Controls and Procedures.
      Item 9B. Other Information.
    PART III
      Item 10. Directors, Executive Officers and Corporate Governance.
      Item 11. Executive Compensation.
      Item 12. Security Ownership of Certain Beneficial Owners and ...
      Item 13. Certain Relationships and Related Transactions and ...
      Item 14. Principal Accounting Fees and Services.
    PART IV
      Item 15. Exhibits and Financial Statement Schedule.
    SIGNATURES
    VALUATION AND QUALIFYING ACCOUNTS
    EXHIBIT INDEX
  EXHIBIT 12
    RATIO COMPUTATION
  EXHIBIT 21
    SUBSIDIARIES
  EXHIBIT 23
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 24
    POWER OF ATTORNEY
  EXHIBIT 31.1
    CERTIFICATION PURSUANT TO
  EXHIBIT 31.2
    CERTIFICATION PURSUANT TO
  EXHIBIT 32
    CERTIFICATION PURSUANT TO