| **Royalties And Licenses (Schedule Of Royalty-Related Liabilities) (Details) (USD $)In Millions, unless otherwise specified** | Dec. 31, 2014                                                                                                                                | Mar. 31, 2014                                                                                                                               |
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| **Royalty Related Liabilities**                                                                                               |                                                                                                                                         |                                                                                                                                        |
| Royalty-related liabilities                                                                                                   | $ 305us-gaap_AccruedRoyaltiesCurrentAndNoncurrent                                                                                            | $ 133us-gaap_AccruedRoyaltiesCurrentAndNoncurrent                                                                                           |
| Accrued royalties                                                                                                             |                                                                                                                                         |                                                                                                                                        |
| **Royalty Related Liabilities**                                                                                               |                                                                                                                                         |                                                                                                                                        |
| Royalty-related liabilities                                                                                                   | 162us-gaap_AccruedRoyaltiesCurrentAndNoncurrent/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis= ea_AccruedRoyaltiesMember        | 73us-gaap_AccruedRoyaltiesCurrentAndNoncurrent/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis= ea_AccruedRoyaltiesMember        |
| Other accrued expenses                                                                                                        |                                                                                                                                         |                                                                                                                                        |
| **Royalty Related Liabilities**                                                                                               |                                                                                                                                         |                                                                                                                                        |
| Royalty-related liabilities                                                                                                   | 0us-gaap_AccruedRoyaltiesCurrentAndNoncurrent/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis= ea_OtherAccruedExpensesMember      | 7us-gaap_AccruedRoyaltiesCurrentAndNoncurrent/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis= ea_OtherAccruedExpensesMember     |
| Other liabilities                                                                                                             |                                                                                                                                         |                                                                                                                                        |
| **Royalty Related Liabilities**                                                                                               |                                                                                                                                         |                                                                                                                                        |
| Royalty-related liabilities                                                                                                   | $ 143us-gaap_AccruedRoyaltiesCurrentAndNoncurrent/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis= us-gaap_OtherLiabilitiesMember | $ 53us-gaap_AccruedRoyaltiesCurrentAndNoncurrent/ us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis= us-gaap_OtherLiabilitiesMember |

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| - 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
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| - Details**Name:**us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=ea_AccruedRoyaltiesMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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| - Details**Name:**us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=ea_OtherAccruedExpensesMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
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