Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended		2 Months Ended	3 Months Ended	7 Months Ended
	Apr. 30, 2024	Mar. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Oct. 31, 2024	May 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		$ 2,000		$ 2,000			$ 2,000
Commercial Paper [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate		5.69%		5.69%
Commercial Paper program limit		$ 2,000,000		$ 2,000,000
Commercial Paper		1,913,500		1,913,500
Entergy Arkansas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings		250,000		250,000
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings		450,000		$ 450,000
Entergy Louisiana [Member] | Mortgage Bonds 5.35% Series due March 2034 [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 500,000
Debt Instrument, Interest Rate, Stated Percentage		5.35%		5.35%
Entergy Louisiana [Member] | Mortgage Bonds 5.70% Series due March 2054 [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 700,000
Debt Instrument, Interest Rate, Stated Percentage		5.70%		5.70%
Entergy Mississippi [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings		$ 200,000		$ 200,000
Entergy Texas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings		200,000		200,000
System Energy [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings		200,000		200,000
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings		150,000		150,000
Notes Payable, Noncurrent		$ 7,004		$ 7,004			$ 7,004
System Energy VIE [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.10%
Entergy Arkansas VIE [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.10%
Entergy Louisiana Waterford VIE [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.10%
Entergy Louisiana River Bend VIE [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.10%
Maximum [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.375%
Ratio of Indebtedness to Net Capital		0.65		0.65
Consolidated debt ratio of lessees total capitalization				70.00%
Maximum [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.375%
Ratio of Indebtedness to Net Capital		0.65		0.65
Consolidated debt ratio of lessees total capitalization				70.00%
Maximum [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.375%
Ratio of Indebtedness to Net Capital		0.65		0.65
Maximum [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.375%
Ratio of Indebtedness to Net Capital		0.65		0.65
Maximum [Member] | System Energy [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital		0.65		0.65
Consolidated debt ratio of lessees total capitalization				70.00%
Maximum [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.375%
Ratio of Indebtedness to Net Capital		0.65		0.65
Minimum [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.075%
Minimum [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.075%
Minimum [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.075%
Minimum [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.075%
Minimum [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage				0.075%
Credit Facility of $350 Million [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 350,000		$ 350,000
Subsequent Event [Member] | Entergy Louisiana [Member] | Mortgage Bonds 5.40% Series due November 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.40%
Repayments of Debt	$ 400,000
Subsequent Event [Member] | Entergy Louisiana [Member] | Mortgage Bonds 0.95% Series due October 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					0.95%
Repayments of Debt					$ 1,000,000
Subsequent Event [Member] | Entergy New Orleans [Member] | Total amount of mortgage bonds to be issued under bond purchase agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 150,000
Subsequent Event [Member] | Entergy New Orleans [Member] | Mortgage Bonds 6.25% Series due June 2029 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						6.25%
Debt Instrument, Face Amount						$ 35,000
Subsequent Event [Member] | Entergy New Orleans [Member] | Mortgage Bonds 6.41% Series due June 2031 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						6.41%
Debt Instrument, Face Amount						$ 65,000
Subsequent Event [Member] | Entergy New Orleans [Member] | Mortgage Bonds 6.54% Series due June 2034 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						6.54%
Debt Instrument, Face Amount						$ 50,000
Subsequent Event [Member] | Entergy New Orleans [Member] | 6.25% Unsecured Term Loan due June 2024 [Member]
Debt Instrument [Line Items]
Repayments of Debt			$ 85,000
Credit Facility of $3.5 Billion [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		3,500,000		3,500,000
Letters of Credit Outstanding, Amount		4,000		$ 4,000
Line of Credit Facility, Commitment Fee Percentage				0.225%
Long-Term Line of Credit		0		$ 0
Line of Credit Facility, Remaining Borrowing Capacity		3,496,000		3,496,000
Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit		$ 20,000		$ 20,000
Line of Credit Facility, Interest Rate at Period End		6.93%		6.93%
Credit Facility of $3.5 Billion [Member] | Maximum [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital		0.65		0.65
Credit Facility of $139 Million [Member] | Entergy Nuclear Vermont Yankee [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 139,000		$ 139,000
Line of Credit Facility, Commitment Fee Percentage				0.20%
Long-Term Line of Credit		$ 139,000		$ 139,000
Debt, Weighted Average Interest Rate		6.97%		6.97%