|
(Schedule Of Royalty-Related Assets) (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
|
Mar. 31, 2014
|
|---|---|---|
| Royalties And Licenses [Line Items] | ||
| Royalty-related assets | $ 129 | $ 155 |
| Other Current Assets [Member] | ||
| Royalties And Licenses [Line Items] | ||
| Royalty-related assets | 70 | 97 |
| Other Assets [Member] | ||
| Royalties And Licenses [Line Items] | ||
| Royalty-related assets | $ 59 | $ 58 |