| **Interest And Other Income (Expense), Net (Tables)** | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Interest and Other Income [Abstract]**              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Schedule Of Interest And Other Income (Expense), Net  | Interest and other income (expense), net, for the fiscal years ended March 31, 2014, 2013 and 2012 consisted of (in millions):  Year Ended March 31, 2014 2013 2012Interest expense$(30) $(29) $(20)Interest income5 6 9Net gain (loss) on foreign currency transactions4 2 (29)Net gain (loss) on foreign currency forward contracts(5) (2) 21Other income, net— 2 2Interest and other income (expense), net$(26) $(21) $(17) |

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| - Definition
Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.
+ References
No definition available.
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