Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Variable Interest Entity [Line Items]
Assets	$ 66,620,409		$ 64,790,032
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,209,638		2,223,153
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	31,158,746		30,348,550
Equity, Attributable to Noncontrolling Interest	$ 42,570		42,706
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	$ 28,400		28,800
Entergy Louisiana [Member] | Restoration Law Trust I [Member] | Entergy Finance Company [Member]
Variable Interest Entity [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	$ 2,800,000		2,900,000
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	$ 14,100		13,900
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		1,400,000
System Energy [Member]
Variable Interest Entity [Line Items]
Assets	4,539,418		4,642,474
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	15,092,087		15,073,983
Equity, Attributable to Noncontrolling Interest	13,796		15,168
Entergy Arkansas [Member] | AR Searcy Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	128,500		129,700
Ownership Interest in Partnership, Carrying Value	113,800		113,200
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	7,780,515		6,988,970
Equity, Attributable to Noncontrolling Interest	5,723		8,202
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC [Member]
Variable Interest Entity [Line Items]
Assets	154,900		157,800
Ownership Interest in Partnership, Carrying Value	$ 137,400		$ 132,700