| **Royalties And Licenses (Schedule Of Royalty-Related Assets) (Details) - USD ($) $ in Millions** | Sep. 30, 2016 | Mar. 31, 2016 |
|---------------------------------------------------------------------------------------------------|---------------|---------------|
| **Royalties and Licenses**                                                                        |          |          |
| Royalty-related assets                                                                            | $ 123         | $ 117         |
| Other Current Assets                                                                              |          |          |
| **Royalties and Licenses**                                                                        |          |          |
| Royalty-related assets                                                                            | 69            | 54            |
| Other assets                                                                                      |          |          |
| **Royalties and Licenses**                                                                        |          |          |
| Royalty-related assets                                                                            | $ 54          | $ 63          |

| 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                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Royalty Related Assets [Line Items]
+ References
No definition available.
+ Details**Name:**ea_RoyaltyRelatedAssetsLineItems**Namespace Prefix:**ea_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| 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:** |