Revolving Credit Facilities, Lines Of Credit, and Short-Term Borrowings (Schedule of uncommitted standby letter of credit facilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	$ 2,000	$ 2,000
Entergy Arkansas [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	500	1,200
Entergy Arkansas [Member] | Uncommitted Credit Facility of $25 Million [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000
Line of Credit Facility, Commitment Fee Percentage	0.78%
Letters of Credit Outstanding, Amount	$ 18,100
Entergy Arkansas [Member] | Uncommitted Credit Facility of $25 Million [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	500
Entergy Louisiana [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	100	500
Entergy Louisiana [Member] | Uncommitted Credit Facility of $125 Million [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 125,000
Line of Credit Facility, Commitment Fee Percentage	0.78%
Letters of Credit Outstanding, Amount	$ 46,200
Entergy Louisiana [Member] | Uncommitted Credit Facility of $125 Million [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	100
Entergy Mississippi [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	800	300
Entergy Mississippi [Member] | Uncommitted Credit Facility of $65 Million [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 65,000
Line of Credit Facility, Commitment Fee Percentage	0.78%
Letters of Credit Outstanding, Amount	$ 33,100
Entergy Mississippi [Member] | Uncommitted Credit Facility of $65 Million [Member] | MISO [Member]
Letters of Credit Outstanding, Amount	31,800
Entergy Mississippi [Member] | Uncommitted Credit Facility of $65 Million [Member] | Non-MISO [Member]
Letters of Credit Outstanding, Amount	1,300
Entergy Mississippi [Member] | Uncommitted Credit Facility of $65 Million [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	800
Entergy New Orleans [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	100
Entergy New Orleans [Member] | Uncommitted Credit Facility of $1 Million
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,000
Line of Credit Facility, Commitment Fee Percentage	1.625%
Letters of Credit Outstanding, Amount	$ 500
Entergy New Orleans [Member] | Uncommitted Credit Facility of $1 Million | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	100
Entergy Texas [Member] | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	300	$ 100
Entergy Texas [Member] | Uncommitted Credit Facility of $150 Million
Line of Credit Facility, Maximum Borrowing Capacity	$ 150,000
Line of Credit Facility, Commitment Fee Percentage	1.25%
Letters of Credit Outstanding, Amount	$ 93,400
Entergy Texas [Member] | Uncommitted Credit Facility of $150 Million | Financial Transmission Rights (FTRs) [Member]
Letters of Credit Outstanding, Amount	$ 300