| **(Schedule Of Royalty-Related Assets) (Details) - USD ($) $ in Millions** | Mar. 31, 2016 | Mar. 31, 2015 |
|----------------------------------------------------------------------------|---------------|---------------|
| **Royalties And Licenses [Line Items]**                                    |          |          |
| Royalty-related assets                                                     | $ 117         | $ 129         |
| Other Current Assets [Member]                                              |          |          |
| **Royalties And Licenses [Line Items]**                                    |          |          |
| Royalty-related assets                                                     | 54            | 70            |
| Other Assets [Member]                                                      |          |          |
| **Royalties And Licenses [Line Items]**                                    |          |          |
| Royalty-related assets                                                     | $ 63          | $ 59          |

| X                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Royalties And Licenses [Line Items]
+ References
No definition available.
+ Details**Name:**ea_RoyaltiesAndLicensesLineItems**Namespace Prefix:**ea_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Royalty Related Assets Current And Noncurrent
+ References
No definition available.
+ Details**Name:**ea_RoyaltyRelatedAssetsCurrentAndNoncurrent**Namespace Prefix:**ea_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                         |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |