Risk Management and Fair Values (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($)
$ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash Equivalents, at Carrying Value |
$ 3,735,856
|
$ 1,883,021
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
10,846,000
|
8,522,000
|
| Cash and Cash Equivalents, Fair Value Disclosure |
3,736,000
|
1,883,000
|
| Asset Recovery Damaged Property Costs, Noncurrent |
314,335
|
308,784
|
| Liabilities, Fair Value Disclosure |
4,000
|
8,000
|
| Prepaid Expenses and Other Current Assets |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Other Restricted Assets, Current |
1,000
|
1,000
|
| Natural Gas Swaps | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Liability, Subject to Master Netting Arrangement, before Offset |
4,000
|
5,000
|
| Derivative Liability, Subject to Master Netting Arrangement, after Offset |
4,000
|
5,000
|
| Interest Rate Swap | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Liability, Subject to Master Netting Arrangement, before Offset |
|
3,000
|
| Derivative Liability, Subject to Master Netting Arrangement, after Offset |
|
3,000
|
| Derivative Asset, Subject to Master Netting Arrangement, before Offset |
|
$ 1,000
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
|
Prepaid Expense and Other Assets, Current
|
| Interest Rate Swap | Prepayments And Other [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset, Subject to Master Netting Arrangement, before Offset |
$ 1,000
|
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
Prepaid Expense and Other Assets, Current
|
|
| Interest Rate Swap | Other Deferred Debits And Other Assets [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset, Subject to Master Netting Arrangement, before Offset |
$ 8,000
|
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
Other Assets, Noncurrent
|
|
| Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
$ 5,000
|
| Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
3,000
|
| Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
$ 2,466,000
|
2,202,000
|
| Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
100,000
|
51,000
|
| Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
64,000
|
27,000
|
| Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
4,000
|
|
| Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
9,000
|
1,000
|
| Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
5,189,000
|
3,149,000
|
| Cash and Cash Equivalents, Fair Value Disclosure |
3,736,000
|
1,883,000
|
| Other Restricted Assets, Current |
1,000
|
1,000
|
| Asset Recovery Damaged Property Costs, Noncurrent |
314,000
|
309,000
|
| Liabilities, Fair Value Disclosure |
4,000
|
5,000
|
| Fair Value, Inputs, Level 1 [Member] | Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
5,000
|
| Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
1,038,000
|
905,000
|
| Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
100,000
|
51,000
|
| Fair Value, Inputs, Level 1 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Fair Value, Inputs, Level 1 [Member] | Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
4,000
|
|
| Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
1,437,000
|
1,298,000
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Other Restricted Assets, Current |
0
|
0
|
| Asset Recovery Damaged Property Costs, Noncurrent |
0
|
0
|
| Liabilities, Fair Value Disclosure |
0
|
3,000
|
| Fair Value, Inputs, Level 2 [Member] | Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
3,000
|
| Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
1,428,000
|
1,297,000
|
| Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Fair Value, Inputs, Level 2 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Fair Value, Inputs, Level 2 [Member] | Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
0
|
|
| Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
9,000
|
1,000
|
| Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
64,000
|
27,000
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Other Restricted Assets, Current |
0
|
0
|
| Asset Recovery Damaged Property Costs, Noncurrent |
0
|
0
|
| Liabilities, Fair Value Disclosure |
0
|
0
|
| Fair Value, Inputs, Level 3 [Member] | Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Fair Value, Inputs, Level 3 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
64,000
|
27,000
|
| Fair Value, Inputs, Level 3 [Member] | Natural Gas Swaps |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
0
|
|
| Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Fair Value Measured at Net Asset Value Per Share |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
4,156,000
|
4,048,000
|
| Entergy New Orleans [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash Equivalents, at Carrying Value |
63,312
|
110,238
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
142,400
|
185,800
|
| Cash and Cash Equivalents, Fair Value Disclosure |
63,300
|
110,200
|
| Asset Recovery Damaged Property Costs, Noncurrent |
75,145
|
73,822
|
| Entergy New Orleans [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
4,000
|
1,800
|
| Entergy New Orleans [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
138,400
|
184,000
|
| Cash and Cash Equivalents, Fair Value Disclosure |
63,300
|
110,200
|
| Asset Recovery Damaged Property Costs, Noncurrent |
75,100
|
73,800
|
| Entergy New Orleans [Member] | Fair Value, Inputs, Level 1 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy New Orleans [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
0
|
0
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Asset Recovery Damaged Property Costs, Noncurrent |
0
|
0
|
| Entergy New Orleans [Member] | Fair Value, Inputs, Level 2 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy New Orleans [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
4,000
|
1,800
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Asset Recovery Damaged Property Costs, Noncurrent |
0
|
0
|
| Entergy New Orleans [Member] | Fair Value, Inputs, Level 3 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
4,000
|
1,800
|
| Entergy Mississippi [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash Equivalents, at Carrying Value |
829,790
|
341,457
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
830,500
|
341,900
|
| Cash and Cash Equivalents, Fair Value Disclosure |
829,800
|
341,500
|
| Entergy Mississippi [Member] | Natural Gas Swaps | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Liability, Subject to Master Netting Arrangement, before Offset |
(4,100)
|
|
| Derivative Liability, Subject to Master Netting Arrangement, after Offset |
4,100
|
5,300
|
| Entergy Mississippi [Member] | Natural Gas Swaps and Options [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Liability, Subject to Master Netting Arrangement, before Offset |
|
5,300
|
| Entergy Mississippi [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
700
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
5,300
|
| Entergy Mississippi [Member] | Natural Gas Swaps |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
|
400
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
4,100
|
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
829,800
|
341,500
|
| Cash and Cash Equivalents, Fair Value Disclosure |
829,800
|
341,500
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 1 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
5,300
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 1 [Member] | Natural Gas Swaps |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
|
0
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
4,100
|
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
0
|
0
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 2 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 2 [Member] | Natural Gas Swaps |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
|
0
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
0
|
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
700
|
400
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 3 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
700
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Entergy Mississippi [Member] | Fair Value, Inputs, Level 3 [Member] | Natural Gas Swaps |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
|
400
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
0
|
|
| Entergy Louisiana [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash Equivalents, at Carrying Value |
1,567,652
|
776,724
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
4,783,400
|
3,782,200
|
| Cash and Cash Equivalents, Fair Value Disclosure |
1,567,700
|
776,700
|
| Asset Recovery Damaged Property Costs, Noncurrent |
239,189
|
234,961
|
| Entergy Louisiana [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
1,093,000
|
992,600
|
| Entergy Louisiana [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
53,500
|
22,800
|
| Entergy Louisiana [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
32,100
|
16,700
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
2,278,400
|
1,407,700
|
| Cash and Cash Equivalents, Fair Value Disclosure |
1,567,700
|
776,700
|
| Asset Recovery Damaged Property Costs, Noncurrent |
239,200
|
235,000
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
418,000
|
373,200
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
53,500
|
22,800
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 1 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
675,000
|
619,400
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Asset Recovery Damaged Property Costs, Noncurrent |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
675,000
|
619,400
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 2 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
32,100
|
16,700
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Asset Recovery Damaged Property Costs, Noncurrent |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Entergy Louisiana [Member] | Fair Value, Inputs, Level 3 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
32,100
|
16,700
|
| Entergy Louisiana [Member] | Fair Value Measured at Net Asset Value Per Share |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
1,797,900
|
1,738,400
|
| Entergy Arkansas [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash Equivalents, at Carrying Value |
504,824
|
268,522
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
2,462,000
|
2,090,300
|
| Cash and Cash Equivalents, Fair Value Disclosure |
504,800
|
268,500
|
| Entergy Arkansas [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
693,200
|
614,000
|
| Entergy Arkansas [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
42,400
|
20,000
|
| Entergy Arkansas [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
23,800
|
5,500
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
887,300
|
540,400
|
| Cash and Cash Equivalents, Fair Value Disclosure |
504,800
|
268,500
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
340,100
|
251,900
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
42,400
|
20,000
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 1 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
353,100
|
362,100
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
353,100
|
362,100
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 2 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
23,800
|
5,500
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| Entergy Arkansas [Member] | Fair Value, Inputs, Level 3 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
23,800
|
5,500
|
| Entergy Arkansas [Member] | Fair Value Measured at Net Asset Value Per Share |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
1,197,800
|
1,182,300
|
| Entergy Texas [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Cash Equivalents, at Carrying Value |
535,101
|
274,908
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
548,100
|
279,000
|
| Cash and Cash Equivalents, Fair Value Disclosure |
535,100
|
274,900
|
| Other Restricted Assets, Current |
1,265
|
1,480
|
| Entergy Texas [Member] | Prepaid Expenses and Other Current Assets |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Other Restricted Assets, Current |
1,300
|
1,500
|
| Entergy Texas [Member] | Interest Rate Swap | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset, Subject to Master Netting Arrangement, before Offset |
|
$ 500
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
|
Prepaid Expense and Other Assets, Current
|
| Entergy Texas [Member] | Interest Rate Swap | Prepayments And Other [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset, Subject to Master Netting Arrangement, before Offset |
$ 1,100
|
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
Prepaid Expense and Other Assets, Current
|
|
| Entergy Texas [Member] | Interest Rate Swap | Other Deferred Debits And Other Assets [Member] | Not Designated as Hedging Instrument [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset, Subject to Master Netting Arrangement, before Offset |
$ 7,500
|
|
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] |
Other Assets, Noncurrent
|
|
| Entergy Texas [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
$ 3,000
|
| Entergy Texas [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
$ 3,100
|
2,100
|
| Entergy Texas [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
8,600
|
500
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
536,400
|
276,400
|
| Cash and Cash Equivalents, Fair Value Disclosure |
535,100
|
274,900
|
| Other Restricted Assets, Current |
1,300
|
1,500
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 1 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
8,600
|
500
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Other Restricted Assets, Current |
0
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
3,000
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 2 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
8,600
|
500
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
3,100
|
2,100
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
0
|
| Other Restricted Assets, Current |
0
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Liabilities, Fair Value Disclosure on Recurring Basis |
|
0
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 3 [Member] | Financial transmission rights [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
3,100
|
2,100
|
| Entergy Texas [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Derivative Asset |
0
|
0
|
| System Energy [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
1,844,500
|
1,730,700
|
| System Energy [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
679,600
|
595,000
|
| System Energy [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
4,400
|
8,600
|
| System Energy [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
284,200
|
289,100
|
| System Energy [Member] | Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
279,800
|
280,500
|
| System Energy [Member] | Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
4,400
|
8,600
|
| System Energy [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
399,800
|
314,500
|
| System Energy [Member] | Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
399,800
|
314,500
|
| System Energy [Member] | Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| System Energy [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
| Assets, Fair Value Disclosure |
0
|
0
|
| System Energy [Member] | Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| System Energy [Member] | Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
0
|
0
|
| System Energy [Member] | Fair Value Measured at Net Asset Value Per Share |
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
| Decommissioning Fund Investments, Fair Value |
$ 1,160,500
|
$ 1,127,100
|