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Financial Instruments (Tables)
12 Months Ended
Mar. 31, 2011
Financial Instruments  
Fair Value of Short-term Investments Schedules

 

 

 

 

As of March 31, 2011

 

As of March 31, 2010

 

 

 

 

Cost or Amortized

Gross Unrealized

 

Fair

 

Cost or Amortized

Gross Unrealized

 

Fair

 

 

 

 

Cost

 

Gains

 

Losses

 

Value

 

Cost

 

Gains

 

Losses

 

Value

 

Corporate bonds

 $      252

 

 $     1

 

 $      -

 

 $    253

 

 $      231

 

 $     2

 

 $      -

 

 $    233

 

U.S. Treasury securities

         124

 

        -

 

         -

 

       124

 

           83

 

        -

 

         -

 

         83

 

U.S. agency securities

         102

 

        -

 

         -

 

       102

 

         115

 

        -

 

         -

 

       115

 

Commercial paper

           18

 

        -

 

         -

 

         18

 

             1

 

        -

 

         -

 

           1

 

 

Short-term investments

 $      496

 

 $     1

 

 $      -

 

 $    497

 

 $      430

 

 $     2

 

 $      -

 

 $    432

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fair Value of Short-term Investments by Stated Maturity Date Schedule

 

 

 

As of March 31, 2011

 

As of March 31, 2010

 

 

 

Amortized
Cost

 

Fair
Value

 

Amortized
Cost

 

Fair
Value

Short-term investments

 

 

 

 

 

 

 

 

 

Due in 1 year or less

 

 $            214

 

 $            214

 

 $            165

 

 $            165

 

Due in 1-2 years

 

               156

 

               157

 

               174

 

               176

 

Due in 2-3 years

 

               126

 

               126

 

                 91

 

                 91

 

 

 

 

 

 

 

 

 

 

 

      Short-term investments

 

 $            496

 

 $            497

 

 $            430

 

 $            432

 

 

 

 

 

 

 

 

 

 

Fair Value of Marketable Equity Securities Schedule

 

Adjusted Cost

 

Gross
Unrealized
Gains

 

Gross
Unrealized
Losses

 

Fair Value

As of March 31, 2011

 

 $              32

 

 $            129

 

 $                 -

 

 $            161

As of March 31, 2010

 

 $            132

 

 $            159

 

 $                 -

 

 $            291