Revolving Credit Facilities, Lines Of Credit, and Short-Term Borrowings (Schedule of nuclear fuel company VIE credit facilities) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)
Entergy Arkansas VIE [Member] | Credit Facility of $80 Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2027
Line of Credit Facility, Current Borrowing Capacity	$ 80.0
Line of Credit Facility, Interest Rate During Period	5.34%
Long-Term Line of Credit	$ 13.7
System Energy VIE [Member] | Credit Facility of $120 Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2027
Line of Credit Facility, Current Borrowing Capacity	$ 120.0
Line of Credit Facility, Interest Rate During Period	5.37%
Long-Term Line of Credit	$ 36.4
Entergy Louisiana Waterford VIE [Member] | Credit Facility of $105 Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2027
Line of Credit Facility, Current Borrowing Capacity	$ 105.0
Line of Credit Facility, Interest Rate During Period	5.36%
Long-Term Line of Credit	$ 43.7
Entergy Louisiana River Bend VIE [Member] | Credit Facility of $105 Million [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Jun. 30, 2027
Line of Credit Facility, Current Borrowing Capacity	$ 105.0
Line of Credit Facility, Interest Rate During Period	5.36%
Long-Term Line of Credit	$ 50.3