| Document and Entity Information Document | Aug. 14, 2019 |
| Written Communications | false |
| Amendment Flag | false |
| Entity File Number | 1-32718 |
| Document Type | 8-K |
| Document Period End Date | Aug. 14, 2019 |
| 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 |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Entergy Louisiana Investment Recovery Funding I, LLC [Member] | |
| Entity File Number | 333-175117-01 |
| Entity Registrant Name | ENTERGY LOUISIANA INVESTMENT RECOVERY FUNDING I, L.L.C. |
| Entity Tax Identification Number | 45-2494355 |
| Entity Incorporation, State or Country Code | LA |
| 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 | 840-2608 |
| Entity Central Index Key | 0001523519 |
| Entity Emerging Growth Company | false |
| Mortgage Bonds Five Point Two Five Percent Series Due July Two Thousand Fifty Two [Member] | Entergy Louisiana [Member] | |
| Title of 12(b) Security | Mortgage Bonds, 5.25% Series due July 2052 |
| Security Exchange Name | NYSE |
| Trading Symbol | ELJ |
| Mortgage Bonds Four Point Seven Percent Series Due June Two Thousand Sixty Three [Member] | Entergy Louisiana [Member] | |
| Title of 12(b) Security | Mortgage Bonds, 4.70% Series due June 2063 |
| Security Exchange Name | NYSE |
| Trading Symbol | ELU |
| Four Point Eight Seven Five Percent Series First Mortgage Bonds Due September Two Thousand Sixty Six [Member] | Entergy Louisiana [Member] | |
| Title of 12(b) Security | Mortgage Bonds, 4.875% Series due September 2066 |
| Security Exchange Name | NYSE |
| Trading Symbol | ELC |
