Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 905	$ 39,040	$ (3,006)	$ 42,769
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	3,911	(3,729)
Other Comprehensive Income (Loss), Net of Tax	3,911	(3,729)
Entergy Louisiana [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	32,829	52,687	$ 33,916	$ 53,658
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(1,087)	(971)
Other Comprehensive Income (Loss), Net of Tax	$ (1,087)	$ (971)