Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit

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Authorized short-term borrowings.

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Commercial Paper program limit

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Consolidated debt ratio of lessees total capitalization

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average interest rate of debt outstanding.

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No definition available.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Indebtedness divided by net capital.

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Narrative) (Details) - USD ($)	1 Months Ended					6 Months Ended
	Jul. 31, 2025	May 31, 2025	Mar. 31, 2025	Feb. 28, 2025	Jan. 31, 2025	Jun. 30, 2025	Jan. 02, 2025
Commercial Paper [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate						4.65%
Commercial Paper program limit						$ 2,000,000,000
Commercial Paper						459,000,000
Entergy Arkansas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						250,000,000
Entergy Arkansas [Member] \| 5.45% Series mortgage bonds due June 2034
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage		5.45%
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						450,000,000
Entergy Louisiana [Member] \| 5.80% Series mortgage bonds due March 2055
Debt Instrument [Line Items]
Proceeds from Issuance of Debt					$ 750,000,000
Debt Instrument, Interest Rate, Stated Percentage							5.80%
Entergy Louisiana [Member] \| 3.78% Series mortgage bonds due April 2025 (Legacy)
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.78%
Repayments of Debt			$ 190,000,000
Entergy Louisiana [Member] \| 3.78% Series mortgage bonds due April 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.78%
Repayments of Debt			$ 110,000,000
Entergy Mississippi [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						200,000,000
Entergy Mississippi [Member] \| 5.80% Series mortgage bonds due April 2055
Debt Instrument [Line Items]
Proceeds from Issuance of Debt			$ 600,000,000
Debt Instrument, Interest Rate, Stated Percentage			5.80%
Entergy Texas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						200,000,000
Entergy Texas [Member] \| 5.25% Series mortgage bonds due April 2035
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage				5.25%
System Energy [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						200,000,000
System Energy [Member] \| 5.30% Series mortgage bonds due December 2034
Debt Instrument [Line Items]
Proceeds from Issuance of Debt		$ 240,000,000
Debt Instrument, Interest Rate, Stated Percentage		5.30%
System Energy [Member] \| 2.14% Series mortgage bonds due December 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		2.14%
Repayments of Debt		$ 200,000,000
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						$ 150,000,000
Entergy New Orleans [Member] \| 3.0% Series mortgage bonds due March 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			3.00%
Repayments of Debt			$ 78,000,000
Entergy New Orleans [Member] \| Unsecured term loan due March 2026
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate			5.79%
Proceeds from Issuance of Debt				$ 80,000,000
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
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
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
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
Maximum [Member] \| System Energy [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital						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
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 $3 Billion
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity						$ 3,000,000,000
Letters of Credit Outstanding, Amount						$ 4,000,000
Line of Credit Facility, Commitment Fee Percentage						0.225%
Long-Term Line of Credit						$ 0
Line of Credit Facility, Remaining Borrowing Capacity						2,996,000,000
Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit						$ 20,000,000
Line of Credit Facility, Interest Rate at Period End						5.93%
Credit Facility of $3 Billion \| Maximum [Member]
Debt Instrument [Line Items]
Ratio of Indebtedness to Net Capital						0.65
Uncommitted Credit Facility of $160 Million \| Subsequent Event [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 160,000,000
Line of Credit Facility, Commitment Fee Percentage	1.05%