| Document and Entity Information Document | May 05, 2022 |
| Written Communications | false |
| Amendment Flag | false |
| Entity File Number | 1-11299 |
| Document Type | 8-K |
| Document Period End Date | May 5, 2022 |
| Entity Registrant Name | Entergy Corporation |
| Entity Tax Identification Number | 72-1229752 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 639 Loyola Avenue |
| Entity Address, City or Town | New Orleans |
| Entity Address, State or Province | LA |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 70113 |
| City Area Code | 504 |
| Local Phone Number | 576-4000 |
| Entity Central Index Key | 0000065984 |
| Entity Emerging Growth Company | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Title of 12(b) Security | Common Stock, $0.01 Par Value |
| Security Exchange Name | NYSE |
| Trading Symbol | ETR |
| CHICAGO STOCK EXCHANGE, INC [Member] | |
| Title of 12(b) Security | Common Stock, $0.01 Par Value |
| Security Exchange Name | CHX |
| Trading Symbol | ETR |
