| **(Fair Value Measurements Using Significant Unobservable Inputs (Level 3) (Details) (USD $)In Millions, unless otherwise specified**                                                                                                                                                                                                                                                                                                                                                      | 9 Months Ended                                                                                                                                                                                                                                                                               | 12 Months Ended |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]**                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                         |                 |   |   |  |
| Payments                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | $ 0ea_PaymentsOfAcquisitionContingentConsideration                                                                                                                                                                                                                                           |                 | $ (1)ea_PaymentsOfAcquisitionContingentConsideration |   |  |
| Fair Value, Inputs, Level 3 [Member] | Contingent consideration                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                         |                 |   |   |  |
| **Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]**                                                                                                                                                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                         |                 |   |   |  |
| Beginning Balance                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember                       |                 | 43us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember | 43us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember |  |
| Change in fair value                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | (2)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember | [1]             |   | (35)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember | [1] |
| Payments                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | (2)ea_PaymentsOfAcquisitionContingentConsideration/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember                                                                   | [2]             |   | (4)ea_PaymentsOfAcquisitionContingentConsideration/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember | [2] |
| Ending Balance                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | $ 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember                     |                 |   | $ 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue/ us-gaap_FairValueByFairValueHierarchyLevelAxis= us-gaap_FairValueInputsLevel3Member/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis= ea_ContingentConsiderationMember |  |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [1]The change in fair value is reported as acquisition-related contingent consideration in our Condensed Consolidated Statements of Operations.[2]During the nine months ended December 31, 2014, we made payments totaling $2 million to settle certain performance milestones achieved in connection with one of our acquisitions. During fiscal year 2014, we made payments of $4 million to settle certain performance milestones achieved in connection with two of our acquisitions. |

| X                                                                                                                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Payments of acquisition contingent consideration.
+ References
No definition available.
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| X                                                                                                                                                                                                                                |
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258
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| X                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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