| **Financing Arrangement (Tables)**                          | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
||
| **Debt Instruments [Abstract]**                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Carrying Values Of Liability And Equity Components Of Notes |   As ofDecember 31, 2012 As of March 31, 2012Principal amount of Notes$633 $633Unamortized discount of the liability component(79) (94)Net carrying amount of Notes$554 $539Equity component, net$105 $105                                                                                                                                                                                                                                                |
| Schedule Of Interest Expense                                | Interest expense recognized related to our financing arrangements are as follows (in millions):  Three Months EndedDecember 31, Nine Months EndedDecember 31, 2012 2011 2012 2011Amortization of debt discount$5 $5 $15 $9Amortization of debt issuance costs— — 2 1Coupon interest expense1 1 3 2Other interest expense1 1 1 1Total interest expense$7 $7 $21 $13 |

| X                                                                                                                                                                                                                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Schedule Of Carrying values Of Liability And Equity Components Of Notes [Table Text Block].
+ References
No definition available.
+ Details**Name:**ea_ScheduleOfCarryingValuesOfLiabilityAndEquityComponentsOfNotesTableTextBlock**Namespace Prefix:**ea_**Data Type:**nonnum:textBlockItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
[Table Text Block] for Schedule of Interest Expense [Table]
+ References
No definition available.
+ Details**Name:**ea_ScheduleOfInterestExpenseTableTextBlock**Namespace Prefix:**ea_**Data Type:**nonnum:textBlockItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_DebtInstrumentsAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |