Variable Interest Entities (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022
Variable Interest Entity [Line Items]
Assets	$ 59,717,236			$ 58,595,191
Entergy New Orleans [Member]
Variable Interest Entity [Line Items]
Assets	2,263,679			2,212,401
Entergy Louisiana [Member]
Variable Interest Entity [Line Items]
Assets	29,980,473			28,144,555
Members' Equity Attributable to Noncontrolling Interest	$ 47,215			31,735
Entergy Louisiana [Member] | Restoration Law Trust II (storm trust II) [Member]
Variable Interest Entity [Line Items]
LURC's beneficial interest in the storm trust, percentage	1.00%
Entergy Louisiana [Member] | Restoration Law Trust I
Variable Interest Entity [Line Items]
LURC's beneficial interest in the storm trust, percentage	1.00%
Entergy Louisiana [Member] | Restoration Law Trust II
Variable Interest Entity [Line Items]
LURC's beneficial interest in the storm trust, percentage	1.00%
Entergy Louisiana [Member] | Entergy Finance Company [Member] | Restoration Law Trust II (storm trust II) [Member]
Variable Interest Entity [Line Items]
Members' Equity Attributable to Noncontrolling Interest			$ 14,600
Entergy Louisiana [Member] | Entergy Finance Company [Member] | Restoration Law Trust I
Variable Interest Entity [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	$ 3,100,000			3,200,000
Members' Equity Attributable to Noncontrolling Interest	32,400			31,700
Entergy Louisiana [Member] | Entergy Finance Company [Member] | Restoration Law Trust II
Variable Interest Entity [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value	1,500,000
Members' Equity Attributable to Noncontrolling Interest	14,900
System Energy [Member]
Variable Interest Entity [Line Items]
Assets	$ 4,262,237			4,214,146
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	13,422,699			13,006,576
Members' Equity Attributable to Noncontrolling Interest	24,973			27,825
Entergy Arkansas [Member] | AR Searcy Partnership, LLC
Variable Interest Entity [Line Items]
Assets	137,600			138,300
Ownership Interest in Partnership, Carrying Value	110,800			109,000
Entergy Mississippi [Member]
Variable Interest Entity [Line Items]
Assets	6,159,732			6,078,764
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC
Variable Interest Entity [Line Items]
Assets	163,500			154,500
Ownership Interest in Partnership, Carrying Value	$ 126,400			$ 117,200