Revolving Credit Facilities, Lines Of Credit, and Short-Term Borrowings (Schedule of nuclear fuel company VIE notes payable) (Details) $ in Millions	Dec. 31, 2024 USD ($)
Entergy Arkansas [Member] \| VIE Notes Payable, 5.54% Series O due May 2029
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.54%
VIE Notes Payable, 2.51% Series V due June 2027 [Member] \| Entergy Louisiana River Bend VIE [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.51%
Notes Payable, Noncurrent	$ 70
VIE Notes Payable, 1.84% Series N due July 2026 [Member] \| Entergy Arkansas VIE [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.84%
Notes Payable, Noncurrent	$ 90
VIE Notes Payable, 2.05% Series K due September 2027 [Member] \| System Energy VIE [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	2.05%
Notes Payable, Noncurrent	$ 90
VIE Notes Payable, 5.94% Series J due September 2026 [Member] \| Entergy Louisiana Waterford VIE [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.94%
Notes Payable, Noncurrent	$ 70
VIE Notes Payable, 5.54% Series O due May 2029 \| Entergy Arkansas VIE [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.54%
Notes Payable, Noncurrent	$ 70

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

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