|
Interest And Other Income (Expense), Net (Schedule Of Interest And Other Income (Expense), Net) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Mar. 31, 2013
|
|
| Interest and Other Income [Abstract] | |||
| Interest expense | $ (31) | $ (30) | $ (29) |
| Interest income | 10 | 5 | 6 |
| Net gain (loss) on foreign currency transactions | (62) | 4 | 2 |
| Net gain (loss) on foreign currency forward contracts | 59 | (5) | (2) |
| Other income, net | 1 | 0 | 2 |
| Interest and other income (expense), net | $ (23) | $ (26) | $ (21) |