Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Variable Interest Entity [Line Items]
Assets	$ 58,975,295		$ 59,454,242
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,138,743		2,150,323
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	$ 28,251,728		27,675,838
LURC's beneficial interest in the storm trust, percentage	1.00%
Entergy Louisiana [Member] | Entergy Finance Company [Member]
Variable Interest Entity [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	$ 3,200,000
System Energy [Member]
Variable Interest Entity [Line Items]
Assets	$ 4,237,121		4,372,624
System Energy [Member] | Grand Gulf [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage	11.50%
Payments on lease, including interest	$ 17,200	$ 17,200
Entergy Arkansas [Member]
Variable Interest Entity [Line Items]
Assets	12,777,177		12,565,119
Entergy Arkansas [Member] | AR Searcy Partnership, LLC
Variable Interest Entity [Line Items]
Assets	136,000
Ownership Interest in Partnership, Carrying Value	108,800
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	6,086,356		$ 5,557,389
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC
Variable Interest Entity [Line Items]
Assets	105,200
Ownership Interest in Partnership, Carrying Value	$ 104,900