| **Financing Arrangement (0.75% Convertible senior notes due 2016) (Details)**             | 1 Months Ended | 3 Months Ended | 12 Months Ended  |              |
|-------------------------------------------------------------------------------------------|----------------|----------------|------------------|--------------|
||
| **Financing Arrangement [Line Items]**                                                    |           |           |             |         |   |   |
| Shares Received Under Convertible Note Hedge | shares                                     |           |           | 7,823,000        |         |   |   |
| Temporary equity                                                                          |           |           | $ 2,000,000      | $ 31,000,000 |   |   |
| Repayments of 0.75% Convertible Senior Notes due 2016                                     |           |           | $ 470,000,000    | 0            | $ 0 |   |
| Debt Conversion, Converted Instrument, Shares Issued | shares                             |           |           | (7,823,000)      |         |   |   |
| Loss on Conversion of Convertible Notes                                                   |           |           | $ (10,000,000)   | $ 0          | $ 0 |   |
| Convertible Debt                                                                          |           |           |             |         |   |   |
| **Financing Arrangement [Line Items]**                                                    |           |           |             |         |   |   |
| 0.75% Convertible Senior Notes due 2016, net, Principal                                   |           |           |             |         |   | $ 633,000,000 |
| Debt Instrument, Convertible, Carrying Amount of Equity Component                         |           |           | $ 107,000,000    |         |   |   |
| Contractual interest rate of 0.75% Convertible Senior Notes due 2016                      |           |           |             |         |   | 0.75% |
| 0.75% Convertible Senior Notes due 2016, Frequency of Periodic Payment                    | semiannually   |           |             |         |   |   |
| 0.75% Convertible Senior Notes due 2016, Issuance Date                                    | Jul. 14,  2011 |           |             |         |   |   |
| 0.75% Convertible Senior Notes due 2016 description                                       | 2016           |           |             |         |   |   |
| 0.75% Convertible Senior Notes due 2016 maturity date                                     | Jul. 15,  2016 |           |             |         |   |   |
| Conversion rate of 0.75% Convertible Senior Notes due 2016                                | 31.5075        |           |             |         |   |   |
| 0.75% Convertible Senior Notes due 2016, Face Amount                                      |           |           |             |         |   | $ 1,000 |
| Debt Instrument, Convertible, Conversion Price | $ / shares                               |           |           |             |         |   | $ 31.74 |
| 0.75% Convertible Senior Notes due 2016, Call Date, Latest                                |           |           | Jul. 13,  2016   |         |   |   |
| Share Price | $ / shares                                                                  |           |           | $ 65.92          |         |   |   |
| Debt Instrument, Convertible, If-converted Value in Excess of Principal                   |           |           | $ 175,000,000    |         |   |   |
| Repayments of 0.75% Convertible Senior Notes due 2016                                     |           |           | 470,000,000      |         |   |   |
| Debt Conversion, Converted Instrument, Amount                                             |           |           | $ 518,000,000    |         |   |   |
| Effective interest rate                                                                   |           |           |             |         |   | 4.54% |
| Debt issuance costs                                                                       |           |           |             |         |   | $ 15,000,000 |
| 0.75% Convertible Senior Notes due 2016 remaining discount amortization period (in years) |           |           | 3 months 15 days |         |   |   |
| Debt Instrument, Convertible, Number of Equity Instruments | shares                       |           |           | 400,000          |         |   |   |
| Debt Conversion, Original Debt, Amount                                                    |           |           | $ 497,000,000    |         |   |   |
| Convertible Debt | Subsequent Event [Member]                                              |           |           |             |         |   |   |
| **Financing Arrangement [Line Items]**                                                    |           |           |             |         |   |   |
| Repayments of 0.75% Convertible Senior Notes due 2016                                     |           | $ 27,000,000   |             |         |   |   |
| Convertible Debt | Liability Component [Member]                                           |           |           |             |         |   |   |
| **Financing Arrangement [Line Items]**                                                    |           |           |             |         |   |   |
| 0.75% Convertible senior notes due 2016, net (long-term)                                  |           |           |             |         |   | 525,000,000 |
| Debt issuance costs                                                                       |           |           |             |         |   | 13,000,000 |
| Convertible Debt | Equity Component [Member]                                              |           |           |             |         |   |   |
| **Financing Arrangement [Line Items]**                                                    |           |           |             |         |   |   |
| Debt issuance costs                                                                       |           |           |             |         |   | $ 2,000,000 |

| X                                                                                                                                                                                                                                             |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Financing Arrangement [Line Items]
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| - Definition
Shares Received Under Convertible Note Hedge
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Latest date before maturity which the issuer can call the outstanding debt instrument for repayment or conversion to equity, in CCYY-MM-DD format.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The price per share of the conversion feature embedded in the debt instrument.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.
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| - Definition
The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Face (par) amount of debt instrument at time of issuance.
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| - Definition
Amount of the fee that accompanies borrowing money under the debt instrument.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Description of the frequency of periodic payments (monthly, quarterly, annual).
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.
+ References
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| - Definition
Contractual interest rate for funds borrowed, under the debt agreement.
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| - Definition
Date the debt instrument was issued, in CCYY-MM-DD format.
+ References
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| - Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.
+ References
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| - Definition
Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.
+ References
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| - Definition
Price of a single share of a number of saleable stocks of a company.
+ References
No definition available.
+ Details**Name:**us-gaap_SharePrice**Namespace Prefix:**us-gaap_**Data Type:**num:perShareItemType**Balance Type:**na**Period Type:**instant |
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| - Definition
Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.
+ References
No definition available.
+ Details**Name:**us-gaap_TemporaryEquityCarryingAmountAttributableToParent**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
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| - Details**Name:**us-gaap_DebtInstrumentAxis=us-gaap_ConvertibleDebtMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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| - Details**Name:**us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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| - Details**Name:**us-gaap_LongtermDebtTypeAxis=ea_LiabilityComponentMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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| - Details**Name:**us-gaap_LongtermDebtTypeAxis=ea_EquityComponentMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |