|**Goodwill And Acquisition-Related Intangibles, Net (Tables)**     | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**Goodwill and Intangible Assets Disclosure [Abstract]**           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Schedule Of Changes In The Carrying Amount Of Goodwill             | The changes in the carrying amount of goodwill for thenine months ended December 31, 2013are as follows (in millions):As of March 31, 2013ActivityEffects of Foreign Currency TranslationAs of December 31, 2013Goodwill$2,089$5$(1)$2,093Accumulated impairment(368)——(368)Total$1,721$5$(1)$1,725                                                                                                                                                                                                                                                               
|                                                                  
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|                                                                   | As of March 31, 2013                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Goodwill                                                           | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Accumulated impairment                                             | (368                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Total                                                              | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Schedule Of Acquisition-Related Intangibles                        | Acquisition-related intangibles consisted of the following (in millions):As of December 31, 2013As of March 31, 2013GrossCarryingAmountAccumulatedAmortizationAcquisition-RelatedIntangibles, NetGrossCarryingAmountAccumulatedAmortizationAcquisition-RelatedIntangibles, NetDeveloped and core technology$531$(370)$161$527$(324)$203Trade names and trademarks130(104)26130(99)31Registered user base and other intangibles87(86)187(84)3Carrier contracts and related85(77)885(73)12In-process research and development———4—4Total$833$(637)$196$833$(580)$253
|                                                                  
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|                                                                   | As of December 31, 2013                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                                                   | GrossCarryingAmount                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Developed and core technology                                      | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Trade names and trademarks                                         | 130                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Registered user base and other intangibles                         | 87                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Carrier contracts and related                                      | 85                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|In-process research and development                                | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Total                                                              | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Schedule Of Amoritization Of Intangibles                           | Amortization of intangibles for thethree and nine months ended December 31, 2013 and 2012are classified in the Condensed Consolidated Statement of Operations as follows (in millions):Three Months Ended December 31,Nine Months Ended December 31,2013201220132012Cost of product$10$15$27$32Cost of service and other681820Operating expenses471221Total$20$30$57$73                                                                                                                                                                                           
|                                                                  
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|                                                                   | Three Months Ended December 31,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|                                                                   | 2013                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Cost of product                                                    | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Cost of service and other                                          | 6                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Operating expenses                                                 | 4                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Total                                                              | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Schedule Of Future Amortization Of Acquisition-Related Intangibles | As ofDecember 31, 2013, future amortization of acquisition-related intangibles that will be recorded in the Condensed Consolidated Statement of Operations is estimated as follows (in millions):Fiscal Year Ending March 31,2014 (remaining three months)$1920156520165320173220181220198Thereafter7Total$196                                                                                                                                                                                                                                                    
|                                                                  
|                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Fiscal Year Ending March 31,                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|2014 (remaining three months)                                      | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|2015                                                               | 65                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|2016                                                               | 53                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|2017                                                               | 32                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|2018                                                               | 12                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|2019                                                               | 8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Thereafter                                                         | 7                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Total                                                              | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

X- DefinitionSchedule Of Classification Of Amoritization Of Intangibles [Table Text Block]+ ReferencesNo definition available.+ Details**Name:**
                    ea_ScheduleOfAmoritizationOfIntangiblesTableTextBlock**Namespace Prefix:**
                    ea_**Data Type:**
                    nonnum:textBlockItemType**Balance Type:**
                    na**Period Type:**
                    duration X- Details**Name:**
                    us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract**Namespace Prefix:**
                    us-gaap_**Data Type:**
                    xbrli:stringItemType**Balance Type:**
                    na**Period Type:**
                    duration X- DefinitionTabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275+ Details**Name:**
                    us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock**Namespace Prefix:**
                    us-gaap_**Data Type:**
                    nonnum:textBlockItemType**Balance Type:**
                    na**Period Type:**
                    duration X- DefinitionTabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275+ Details**Name:**
                    us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock**Namespace Prefix:**
                    us-gaap_**Data Type:**
                    nonnum:textBlockItemType**Balance Type:**
                    na**Period Type:**
                    duration X- DefinitionTabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267+ Details**Name:**
                    us-gaap_ScheduleOfGoodwillTextBlock**Namespace Prefix:**
                    us-gaap_**Data Type:**
                    nonnum:textBlockItemType**Balance Type:**
                    na**Period Type:**
                    duration