Long - Term Debt (Schedule Of Maturities Of Long-term Debt) (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Long-Term Debt, Maturity, Year One	$ 2,100,275
Long-Term Debt, Maturity, Year Two	1,546,940
Long-Term Debt, Maturity, Year Three	2,375,720
Long-Term Debt, Maturity, Year Four	916,965
Long-Term Debt, Maturity, Year Five	2,195,627
Entergy Arkansas [Member]
Long-Term Debt, Maturity, Year One	375,000
Long-Term Debt, Maturity, Year Two	70,200
Long-Term Debt, Maturity, Year Three	690,000
Long-Term Debt, Maturity, Year Four	0
Long-Term Debt, Maturity, Year Five	350,000
Entergy Louisiana [Member]
Long-Term Debt, Maturity, Year One	1,400,000
Long-Term Debt, Maturity, Year Two	376,100
Long-Term Debt, Maturity, Year Three	720,000
Long-Term Debt, Maturity, Year Four	520,000
Long-Term Debt, Maturity, Year Five	425,000
Entergy Mississippi [Member]
Long-Term Debt, Maturity, Year One	100,000
Long-Term Debt, Maturity, Year Two	0
Long-Term Debt, Maturity, Year Three	0
Long-Term Debt, Maturity, Year Four	150,000
Long-Term Debt, Maturity, Year Five	375,000
Entergy New Orleans [Member]
Long-Term Debt, Maturity, Year One	86,275
Long-Term Debt, Maturity, Year Two	79,140
Long-Term Debt, Maturity, Year Three	85,720
Long-Term Debt, Maturity, Year Four	6,965
Long-Term Debt, Maturity, Year Five	719
Entergy Texas [Member]
Long-Term Debt, Maturity, Year One	0
Long-Term Debt, Maturity, Year Two	0
Long-Term Debt, Maturity, Year Three	130,000
Long-Term Debt, Maturity, Year Four	150,000
Long-Term Debt, Maturity, Year Five	69,908
System Energy [Member]
Long-Term Debt, Maturity, Year One	0
Long-Term Debt, Maturity, Year Two	221,500
Long-Term Debt, Maturity, Year Three	0
Long-Term Debt, Maturity, Year Four	90,000
Long-Term Debt, Maturity, Year Five	$ 325,000