| **Balance Sheet Details (Property And Equipment, Net Schedule) (Details) (USD $)In Millions, unless otherwise specified** | Dec. 31, 2014                                                                                                                 | Mar. 31, 2014                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------|
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | $ 1,289us-gaap_PropertyPlantAndEquipmentGross                                                                                 | $ 1,319us-gaap_PropertyPlantAndEquipmentGross                                                                                 |
| Less: accumulated depreciation                                                                                            | (828)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment                                         | (809)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment                                         |
| Property and equipment, net                                                                                               | 461us-gaap_PropertyPlantAndEquipmentNet                                                                                       | 510us-gaap_PropertyPlantAndEquipmentNet                                                                                       |
| Computer, equipment and software                                                                                          |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | 699us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= ea_ComputerequipmentandsoftwareMember | 718us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= ea_ComputerequipmentandsoftwareMember |
| Buildings                                                                                                                 |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | 321us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_BuildingMember                | 327us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_BuildingMember                |
| Leasehold improvements                                                                                                    |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | 127us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_LeaseholdImprovementsMember   | 129us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_LeaseholdImprovementsMember   |
| Office equipment, furniture and fixtures                                                                                  |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | 64us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_OfficeEquipmentMember          | 67us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_OfficeEquipmentMember          |
| Land                                                                                                                      |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | 62us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_LandMember                     | 63us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_LandMember                     |
| Warehouse, equipment and other                                                                                            |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | 9us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_MachineryAndEquipmentMember     | 10us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_MachineryAndEquipmentMember    |
| Construction in progress                                                                                                  |                                                                                                                          |                                                                                                                          |
| **Property and Equipment, Net [Line Items]**                                                                              |                                                                                                                          |                                                                                                                          |
| Property and equipment, gross                                                                                             | $ 7us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_ConstructionInProgressMember  | $ 5us-gaap_PropertyPlantAndEquipmentGross/ us-gaap_PropertyPlantAndEquipmentByTypeAxis= us-gaap_ConstructionInProgressMember  |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682
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| X                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7
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| X                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                      |
|--------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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