Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	May 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Assets	$ 57,827,579			$ 59,454,242
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,102,017			2,150,323
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	27,827,300			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	$ 4,246,761			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	$ 8,600	$ 8,600
Entergy Arkansas [Member]
Variable Interest Entity [Line Items]
Assets	12,615,790			12,565,119
Entergy Arkansas [Member] | AR Searcy Partnership, LLC
Variable Interest Entity [Line Items]
Assets	143,000
Ownership Interest in Partnership, Carrying Value	112,500
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	5,896,900			$ 5,557,389
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC
Variable Interest Entity [Line Items]
Assets	105,200
Ownership Interest in Partnership, Carrying Value	$ 95,600