| **Segment Information (Long-Lived Assets By Geographic Area) (Details) (USD $)In Millions, unless otherwise specified** | Dec. 31, 2014                                                                                    | Mar. 31, 2014                                                                                    |
|-------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------|
| **Revenues from External Customers and Long-Lived Assets**                                                              |                                                                                             |                                                                                             |
| Long-lived assets                                                                                                       | $ 2,306us-gaap_NoncurrentAssets                                                                  | $ 2,439us-gaap_NoncurrentAssets                                                                  |
| North America                                                                                                           |                                                                                             |                                                                                             |
| **Revenues from External Customers and Long-Lived Assets**                                                              |                                                                                             |                                                                                             |
| Long-lived assets                                                                                                       | 1,831us-gaap_NoncurrentAssets/ us-gaap_StatementBusinessSegmentsAxis= us-gaap_NorthAmericaMember | 1,949us-gaap_NoncurrentAssets/ us-gaap_StatementBusinessSegmentsAxis= us-gaap_NorthAmericaMember |
| International                                                                                                           |                                                                                             |                                                                                             |
| **Revenues from External Customers and Long-Lived Assets**                                                              |                                                                                             |                                                                                             |
| Long-lived assets                                                                                                       | $ 475us-gaap_NoncurrentAssets/ us-gaap_StatementBusinessSegmentsAxis= ea_InternationalMember     | $ 490us-gaap_NoncurrentAssets/ us-gaap_StatementBusinessSegmentsAxis= ea_InternationalMember     |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599
+ Details**Name:**us-gaap_NoncurrentAssets**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                            |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_StatementBusinessSegmentsAxis=ea_InternationalMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_StatementBusinessSegmentsAxis=us-gaap_NorthAmericaMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |