| **Derivative Financial Instruments Gross Notional Amounts and Fair Values for Currency Derivatives (Details) (USD $)In Millions, unless otherwise specified** | Dec. 31, 2014                                                                                                                                                                                                                                                                                                    | Mar. 31, 2014                                                                                                                                                                                                                                                                                                    |
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| Foreign currency contracts to purchase | Foreign exchange forward contracts                                                                                   |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Fair value of foreign currency contracts outstanding, Assets                                                                                                  | $ 0us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                           | $ 0us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                           |
| Fair value of foreign currency contracts outstanding, Liabilities                                                                                             | 9us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                        | 3us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                        |
| Foreign currency contracts to purchase | Designated as Hedging Instrument [Member] | Foreign exchange forward contracts                                       |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Derivative, Notional amount                                                                                                                                   | 132invest_DerivativeNotionalAmount/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember/ us-gaap_HedgingDesignationAxis= us-gaap_DesignatedAsHedgingInstrumentMember         | 179invest_DerivativeNotionalAmount/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember/ us-gaap_HedgingDesignationAxis= us-gaap_DesignatedAsHedgingInstrumentMember         |
| Foreign currency contracts to sell | Foreign exchange forward contracts                                                                                       |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Fair value of foreign currency contracts outstanding, Assets                                                                                                  | 11us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                                | 0us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                                 |
| Fair value of foreign currency contracts outstanding, Liabilities                                                                                             | 0us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                            | 2us-gaap_CashFlowHedgeDerivativeInstrumentLiabilitiesAtFairValue/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember                                                            |
| Foreign currency contracts to sell | Designated as Hedging Instrument [Member] | Foreign exchange forward contracts                                           |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Derivative, Notional amount                                                                                                                                   | 164invest_DerivativeNotionalAmount/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember/ us-gaap_HedgingDesignationAxis= us-gaap_DesignatedAsHedgingInstrumentMember             | 363invest_DerivativeNotionalAmount/ ea_ContractsdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentRiskAxis= us-gaap_ForeignExchangeForwardMember/ us-gaap_HedgingDesignationAxis= us-gaap_DesignatedAsHedgingInstrumentMember             |
| Foreign currency contracts to purchase | United States Dollar [Member] | Not Designated as Hedging Instrument [Member]                                        |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Derivative, Notional amount                                                                                                                                   | 58invest_DerivativeNotionalAmount/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember/ us-gaap_TradingActivityByTypeAxis= ea_UnitedStatesDollarMember                                   | 140invest_DerivativeNotionalAmount/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember/ us-gaap_TradingActivityByTypeAxis= ea_UnitedStatesDollarMember                                  |
| Foreign currency contracts to purchase | Balance Sheet Hedging [Member] | Not Designated as Hedging Instrument [Member]                                       |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Derivative Asset, Current                                                                                                                                     | 0us-gaap_DerivativeAssetsCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember      | 0us-gaap_DerivativeAssetsCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember      |
| Derivative Liability, Current                                                                                                                                 | 0us-gaap_DerivativeLiabilitiesCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember | 1us-gaap_DerivativeLiabilitiesCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstopurchaseMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember |
| Foreign currency contracts to sell | United States Dollar [Member] | Not Designated as Hedging Instrument [Member]                                            |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Derivative, Notional amount                                                                                                                                   | 361invest_DerivativeNotionalAmount/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember/ us-gaap_TradingActivityByTypeAxis= ea_UnitedStatesDollarMember                                      | 232invest_DerivativeNotionalAmount/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember/ us-gaap_TradingActivityByTypeAxis= ea_UnitedStatesDollarMember                                      |
| Foreign currency contracts to sell | Balance Sheet Hedging [Member] | Not Designated as Hedging Instrument [Member]                                           |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| **Derivative**                                                                                                                                                |                                                                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                             |
| Derivative Asset, Current                                                                                                                                     | 4us-gaap_DerivativeAssetsCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember          | 0us-gaap_DerivativeAssetsCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember          |
| Derivative Liability, Current                                                                                                                                 | $ 0us-gaap_DerivativeLiabilitiesCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember   | $ 0us-gaap_DerivativeLiabilitiesCurrent/ ea_ContractsnotdesignatedashedginginstrumentstopurchaseorsellAxis= ea_ForeigncurrencycontractstosellMember/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis= ea_BalanceSheetHedgingMember/ us-gaap_HedgingDesignationAxis= us-gaap_NondesignatedMember   |

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| - Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| - Definition
Fair value of all asset derivatives designated as cash flow hedging instruments.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
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| - Definition
Fair value of all liability derivatives designated as cash flow hedging instruments.
+ References
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| - Definition
Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.
+ References
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| - Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.
+ References
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