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v3.25.3

Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Narrative) (Details) - USD ($) | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | May 31, 2025 | Mar. 31, 2025 | Feb. 28, 2025 | Jan. 31, 2025 | Sep. 30, 2025 | Jan. 02, 2025
0.9% Senior notes due September 2025 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 0.90% |  |  |  |  | 0.90% |
Repayments of Debt | $ 800,000,000 |  |  |  |  |  |
Commercial Paper [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt, Weighted Average Interest Rate | 4.64% |  |  |  |  | 4.64% |
Commercial Paper program limit | $ 2,000,000,000 |  |  |  |  | $ 2,000,000,000 |
Commercial Paper | 1,398,000,000 |  |  |  |  | 1,398,000,000 |
Entergy Arkansas [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Authorized Short Term Borrowings | 250,000,000 |  |  |  |  | 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 |  |  |  |  | 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 |  |  |  |  | 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 |  |  |  |  | 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 |  |  |  |  | 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 |  |  |  |  | $ 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] |  |  |  |  |  |  |
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 |  |  |  |  | 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 $3 Billion |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 3,000,000,000 |  |  |  |  | $ 3,000,000,000 |
Letters of Credit Outstanding, Amount | 3,000,000 |  |  |  |  | $ 3,000,000 |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  | 0.225% |
Long-Term Line of Credit | 0 |  |  |  |  | $ 0 |
Line of Credit Facility, Remaining Borrowing Capacity | 2,997,000,000 |  |  |  |  | 2,997,000,000 |
Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit | $ 20,000,000 |  |  |  |  | $ 20,000,000 |
Line of Credit Facility, Interest Rate at Period End | 5.76% |  |  |  |  | 5.76% |
Credit Facility of $3 Billion | Maximum [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Ratio of Indebtedness to Net Capital | 0.65 |  |  |  |  | 0.65 |
Uncommitted Credit Facility of $160 Million | Entergy Texas [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 160,000,000 |  |  |  |  | $ 160,000,000 |
Letters of Credit Outstanding, Amount | $ 0 |  |  |  |  | $ 0 |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  | 1.05% |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- Definition 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. + References No definition available. + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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