Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Assets	$ 62,766,297		$ 59,703,396
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,269,084		2,097,975
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	29,970,921		29,109,470
Members' Equity Attributable to Noncontrolling Interest	$ 45,533		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	$ 30,600		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	4,559,811		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	14,976,041		13,672,858
Members' Equity Attributable to Noncontrolling Interest	18,675		21,599
Entergy Arkansas [Member] | AR Searcy Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	132,500		134,000
Ownership Interest in Partnership, Carrying Value	112,900		111,200
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	6,506,100		6,228,006
Members' Equity Attributable to Noncontrolling Interest	14,718		18,753
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	167,700		163,200
Ownership Interest in Partnership, Carrying Value	$ 131,100		$ 128,400