| Document and Entity Information Document | Sep. 21, 2021 |
| Document Type | 8-K |
| Document Period End Date | Sep. 21, 2021 |
| Amendment Flag | false |
| Entity File Number | 1-11299 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Title of 12(b) Security | Common Stock, $0.01 Par Value |
| Trading Symbol | ETR |
| Security Exchange Name | NYSE |
| CHICAGO STOCK EXCHANGE, INC [Member] | |
| Title of 12(b) Security | Common Stock, $0.01 Par Value |
| Trading Symbol | ETR |
| Security Exchange Name | CHX |
| Entergy New Orleans [Member] | |
| Entity File Number | 1-35747 |
| Entity Registrant Name | ENTERGY NEW ORLEANS, LLC |
| Entity Tax Identification Number | 82-2212934 |
| Entity Incorporation, State or Country Code | TX |
| Entity Address, Address Line One | 1600 Perdido Street |
| Entity Address, City or Town | New Orleans |
| Entity Address, State or Province | LA |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 70112 |
| City Area Code | 504 |
| Local Phone Number | 670-3700 |
| Entity Central Index Key | 0000071508 |
| Entity Emerging Growth Company | false |
| Entergy Louisiana [Member] | |
| Entity File Number | 1-32718 |
| Entity Registrant Name | ENTERGY LOUISIANA, LLC |
| Entity Tax Identification Number | 47-4469646 |
| Entity Incorporation, State or Country Code | TX |
| Entity Address, Address Line One | 4809 Jefferson Highway |
| Entity Address, City or Town | Jefferson |
| Entity Address, State or Province | LA |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 70121 |
| City Area Code | 504 |
| Local Phone Number | 576-4000 |
| Entity Central Index Key | 0001348952 |
| Entity Emerging Growth Company | false |
| Mortgage Bonds, 4.875% Series due September 2066 | Entergy Louisiana [Member] | NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Title of 12(b) Security | Mortgage Bonds, 4.875% Series due September 2066 |
| Trading Symbol | ELC |
| Security Exchange Name | NYSE |
| Mortgage Bonds, 5.0% Series due December 2052 | Entergy New Orleans [Member] | NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Title of 12(b) Security | Mortgage Bonds, 5.0% Series due December 2052 |
| Trading Symbol | ENJ |
| Security Exchange Name | NYSE |
| Mortgage Bonds, 5.50% Series due April 2066 | Entergy New Orleans [Member] | NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Title of 12(b) Security | Mortgage Bonds, 5.50% Series due April 2066 |
| Trading Symbol | ENO |
| Security Exchange Name | NYSE |
