| **Royalties And Licenses (Schedule Of Royalty-Related Liabilities) (Details) - USD ($) $ in Millions** | Sep. 30, 2016 | Mar. 31, 2016 |
|--------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Royalty Related Liabilities**                                                                        |          |          |
| Royalty-related liabilities                                                                            | $ 273         | $ 277         |
| Accrued royalties                                                                                      |          |          |
| **Royalty Related Liabilities**                                                                        |          |          |
| Royalty-related liabilities                                                                            | 162           | 159           |
| Other liabilities                                                                                      |          |          |
| **Royalty Related Liabilities**                                                                        |          |          |
| Royalty-related liabilities                                                                            | $ 111         | $ 118         |

| X                                                                                                                                                                                                                                                        |
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| - Definition
Royalty Related Liabilities [Line Items]
+ References
No definition available.
+ Details**Name:**ea_RoyaltyRelatedLiabilitiesLineItems**Namespace Prefix:**ea_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910
+ Details**Name:**us-gaap_AccruedRoyaltiesCurrentAndNoncurrent**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                           |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=ea_AccruedRoyaltiesMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=us-gaap_OtherLiabilitiesMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |