Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Schedule of Long-Term Debt Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Long-Term Debt, Fair Value	$ 24,689,579	$ 22,489,174
Long-Term Debt	27,818,164	25,107,896
Entergy Arkansas [Member]
Long-Term Debt, Fair Value	4,470,941	4,166,941
Long-Term Debt	5,094,160	4,673,080
Entergy Louisiana [Member]
Long-Term Debt, Fair Value	8,964,781	8,414,512
Long-Term Debt	10,188,393	9,420,689
Entergy Mississippi [Member]
Long-Term Debt, Fair Value	2,093,565	1,969,334
Long-Term Debt	2,426,614	2,229,510
Entergy New Orleans [Member]
Long-Term Debt, Fair Value	695,029	602,716
Long-Term Debt	736,476	677,450
Entergy Texas [Member]
Long-Term Debt, Fair Value	2,823,011	2,936,130
Long-Term Debt	3,216,909	3,225,092
System Energy [Member]
Long-Term Debt, Fair Value	782,228	696,168
Long-Term Debt	$ 822,762	$ 738,459