Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Assets	$ 61,629,856		$ 59,703,396
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,224,155		2,097,975
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	30,276,094		29,109,470
Members' Equity Attributable to Noncontrolling Interest	$ 45,044		45,107
Entergy Louisiana [Member] | Restoration Law Trust I [Member]
Variable Interest Entity [Line Items]
LURC's beneficial interest in the storm trust, percentage	1.00%
Members' Equity Attributable to Noncontrolling Interest	$ 30,100		30,500
Entergy Louisiana [Member] | Restoration Law Trust I [Member] | Entergy Finance Company [Member]
Variable Interest Entity [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	$ 2,900,000		3,000,000
Entergy Louisiana [Member] | Restoration Law Trust II [Member]
Variable Interest Entity [Line Items]
LURC's beneficial interest in the storm trust, percentage	1.00%
Members' Equity Attributable to Noncontrolling Interest	$ 14,900		14,600
Entergy Louisiana [Member] | Restoration Law Trust II [Member] | Entergy Finance Company [Member]
Variable Interest Entity [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	1,500,000		1,500,000
System Energy [Member]
Variable Interest Entity [Line Items]
Assets	4,679,940		4,312,363
System Energy [Member] | Grand Gulf [Member]
Variable Interest Entity [Line Items]
Payments on lease including interest	8,600	$ 8,600
Entergy Arkansas [Member]
Variable Interest Entity [Line Items]
Assets	13,905,981		13,672,858
Members' Equity Attributable to Noncontrolling Interest	19,531		21,599
Entergy Arkansas [Member] | AR Searcy Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	133,100		134,000
Ownership Interest in Partnership, Carrying Value	111,900		111,200
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	6,312,478		6,228,006
Members' Equity Attributable to Noncontrolling Interest	16,451		18,753
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	165,900		163,200
Ownership Interest in Partnership, Carrying Value	$ 130,300		$ 128,400