| **Royalties And Licenses (Schedule Of Royalty-Related Liabilities) (Details) (USD $)In Millions, unless otherwise specified** | Jun. 30, 2013 | Mar. 31, 2013 |
|-------------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Royalty Related Liabilities**                                                                                               |          |          |
| Royalty-related liabilities                                                                                                   | $ 152         | $ 170         |
| Accrued royalties                                                                                                             |          |          |
| **Royalty Related Liabilities**                                                                                               |          |          |
| Royalty-related liabilities                                                                                                   | 85            | 103           |
| Other accrued expenses                                                                                                        |          |          |
| **Royalty Related Liabilities**                                                                                               |          |          |
| Royalty-related liabilities                                                                                                   | 21            | 21            |
| Other liabilities                                                                                                             |          |          |
| **Royalty Related Liabilities**                                                                                               |          |          |
| Royalty-related liabilities                                                                                                   | $ 46          | $ 46          |

| X                                                                                                                                                            |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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=d3e572229-122910Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9
+ Details**Name:**us-gaap_AccruedRoyaltiesCurrentAndNoncurrent**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |