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Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Schedule of nuclear fuel company VIE notes payable) (Details) $ in Millions | Mar. 31, 2025 USD ($)
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VIE Notes Payable, 5.54% Series O due May 2029 [Member] | Entergy Arkansas VIE [Member] |
Notes Payable, Noncurrent [Abstract] |
Debt Instrument, Interest Rate, Stated Percentage | 5.54%
Notes Payable, Noncurrent | $ 70
VIE Notes Payable, 1.84% Series N due July 2026 [Member] | Entergy Arkansas VIE [Member] |
Notes Payable, Noncurrent [Abstract] |
Debt Instrument, Interest Rate, Stated Percentage | 1.84%
Notes Payable, Noncurrent | $ 90
VIE Notes Payable, 2.51% Series V Due June 2027 [Member] | Entergy Louisiana River Bend VIE [Member] |
Notes Payable, Noncurrent [Abstract] |
Debt Instrument, Interest Rate, Stated Percentage | 2.51%
Notes Payable, Noncurrent | $ 70
VIE Notes Payable, 5.94% Series J due September 2026 [Member] | Entergy Louisiana Waterford VIE [Member] |
Notes Payable, Noncurrent [Abstract] |
Debt Instrument, Interest Rate, Stated Percentage | 5.94%
Notes Payable, Noncurrent | $ 70
VIE Notes Payable, 2.05% Series K due September 2027 [Member] | System Energy VIE [Member] |
Notes Payable, Noncurrent [Abstract] |
Debt Instrument, Interest Rate, Stated Percentage | 2.05%
Notes Payable, Noncurrent | $ 90

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