Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Assets	$ 64,462,049		$ 59,703,396
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,339,254		2,097,975
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	30,358,342		29,109,470
Equity, Attributable to Noncontrolling Interest	$ 45,466		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%
Equity, Attributable to Noncontrolling Interest	$ 30,400		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%
Equity, Attributable to Noncontrolling Interest	$ 15,100		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	1,400,000		1,500,000
System Energy [Member]
Variable Interest Entity [Line Items]
Assets	4,662,913		4,312,363
System Energy [Member] | Grand Gulf [Member]
Variable Interest Entity [Line Items]
Payments on lease including interest	17,200	$ 17,200
Entergy Arkansas [Member]
Variable Interest Entity [Line Items]
Assets	15,364,603		13,672,858
Equity, Attributable to Noncontrolling Interest	17,269		21,599
Entergy Arkansas [Member] | AR Searcy Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	131,600		134,000
Ownership Interest in Partnership, Carrying Value	112,800		111,200
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	6,633,235		6,228,006
Equity, Attributable to Noncontrolling Interest	11,134		18,753
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	165,800		163,200
Ownership Interest in Partnership, Carrying Value	$ 131,900		$ 128,400