Revolving Credit Facilities, Lines Of Credit And Short-Term Borrowings (Issuance Of Commercial Paper To Finance Acquisition And Ownership Of Nuclear Fuel) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Entergy Arkansas VIE [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2025
Entergy Arkansas VIE [Member] | Credit Facility of Eighty Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 80.0
Weighted Average Interest Rate on Borrowings	6.10%
Long-Term Line of Credit	$ 70.2
System Energy VIE [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2025
System Energy VIE [Member] | Credit Facility of One Hundred and Twenty Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 120.0
Weighted Average Interest Rate on Borrowings	5.91%
Long-Term Line of Credit	$ 21.5
Entergy Louisiana Waterford VIE [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2025
Entergy Louisiana Waterford VIE [Member] | Credit Facility of One Hundred and Five Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 105.0
Weighted Average Interest Rate on Borrowings	6.07%
Long-Term Line of Credit	$ 29.5
Entergy Louisiana River Bend VIE [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2025
Entergy Louisiana River Bend VIE [Member] | Credit Facility of One Hundred and Five Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 105.0
Weighted Average Interest Rate on Borrowings	6.17%
Long-Term Line of Credit	$ 46.6