| **Restructuring And Other Charges (Restructuring And Other Restructuring Plan-Related Information) (Details) (USD $)In Millions, unless otherwise specified** | 9 Months Ended                                                                                                                                                                                                     | 12 Months Ended                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
||
| **Restructuring and other charges [Roll Forward]**                                                                                                            |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| Beginning balance                                                                                                                                             | $ 50us-gaap_RestructuringReserve                                                                                                                                                                                   | $ 62us-gaap_RestructuringReserve                                                                                                                                                                                  |
| Charges to operations                                                                                                                                         | 0us-gaap_RestructuringCharges                                                                                                                                                                                      | (1)us-gaap_RestructuringCharges                                                                                                                                                                                   |
| Charges settled in cash                                                                                                                                       | (23)us-gaap_PaymentsForRestructuring                                                                                                                                                                               | (11)us-gaap_PaymentsForRestructuring                                                                                                                                                                              |
| Ending balance                                                                                                                                                | 27us-gaap_RestructuringReserve                                                                                                                                                                                     | 50us-gaap_RestructuringReserve                                                                                                                                                                                    |
| Fiscal 2011 Restructuring | Other Restructuring Costs [Member]                                                                                                |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| **Restructuring and other charges [Roll Forward]**                                                                                                            |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| Beginning balance                                                                                                                                             | 47us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember       | 57us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember      |
| Charges to operations                                                                                                                                         | 0us-gaap_RestructuringCharges/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember        | (2)us-gaap_RestructuringCharges/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember     |
| Charges settled in cash                                                                                                                                       | (22)us-gaap_PaymentsForRestructuring/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember | (8)us-gaap_PaymentsForRestructuring/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember |
| Ending balance                                                                                                                                                | 25us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember       | 47us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_FiscalTwoThousandAndElevenRestructuringMember      |
| Other Restructurings And Reorganization Costs [Member] | Facilities-Related                                                                                   |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| **Restructuring and other charges [Roll Forward]**                                                                                                            |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| Beginning balance                                                                                                                                             | 2us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember         | 4us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember        |
| Charges to operations                                                                                                                                         | 0us-gaap_RestructuringCharges/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember         | 1us-gaap_RestructuringCharges/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember        |
| Charges settled in cash                                                                                                                                       | 0us-gaap_PaymentsForRestructuring/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember     | (3)us-gaap_PaymentsForRestructuring/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember  |
| Ending balance                                                                                                                                                | 2us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember         | 2us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= us-gaap_FacilityClosingMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationCostsMember        |
| Other Restructurings and Reorganization | Other Restructuring Costs [Member]                                                                                  |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| **Restructuring and other charges [Roll Forward]**                                                                                                            |                                                                                                                                                                                                               |                                                                                                                                                                                                              |
| Beginning balance                                                                                                                                             | 1us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember           | 1us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember          |
| Charges to operations                                                                                                                                         | 0us-gaap_RestructuringCharges/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember           | 0us-gaap_RestructuringCharges/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember          |
| Charges settled in cash                                                                                                                                       | (1)us-gaap_PaymentsForRestructuring/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember     | 0us-gaap_PaymentsForRestructuring/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember      |
| Ending balance                                                                                                                                                | $ 0us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember         | $ 1us-gaap_RestructuringReserve/ us-gaap_RestructuringCostAndReserveAxis= ea_OtherRestructuringCostsMember/ us-gaap_StatementOperatingActivitiesSegmentAxis= ea_OtherRestructuringsAndReorganizationMember        |

| X                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**ea_RestructuringAndOtherChargesRollForward**Namespace Prefix:**ea_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585
+ Details**Name:**us-gaap_PaymentsForRestructuring**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4
+ Details**Name:**us-gaap_RestructuringCharges**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4
+ Details**Name:**us-gaap_RestructuringReserve**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_StatementOperatingActivitiesSegmentAxis=ea_FiscalTwoThousandAndElevenRestructuringMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_StatementOperatingActivitiesSegmentAxis=ea_OtherRestructuringsAndReorganizationCostsMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_StatementOperatingActivitiesSegmentAxis=ea_OtherRestructuringsAndReorganizationMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |