Business Segment Information Segment Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Financial Information
Interest expense	$ 912,237	$ 834,694	$ 785,663
Income Tax Expense (Benefit)	(38,978)	191,374	(121,506)
Consolidated net income	1,097,138	1,118,719	1,406,653
Total assets	58,595,191	59,454,242
Cash paid for long-lived asset additions	106,193	168,304	247,121
Eliminations [Member]
Segment Financial Information
Operating revenues	(28)	(29)	(25)
Depreciation, amortization, & decommissioning	0	0	0
Interest and investment income	(192,829)	(141,880)	(159,943)
Interest expense	(6,812)	(14,258)	(32,350)
Income Tax Expense (Benefit)	0	0	0
Consolidated net income	(186,017)	(127,622)	(127,594)
Total assets	(3,764,317)	(2,083,226)	(2,053,951)
Cash paid for long-lived asset additions	0	0	0
Asset Write-Offs, Impairments, And Related Charges	0	0	0
Utility [Member]
Segment Financial Information
Operating revenues	13,420,804	11,044,674	9,170,714
Depreciation, amortization, & decommissioning	1,941,653	1,823,389	1,685,138
Interest and investment income	145,968	442,817	299,004
Interest expense	750,175	692,004	648,851
Income Tax Expense (Benefit)	(34,263)	264,209	(282,311)
Consolidated net income	1,398,580	1,488,487	1,816,354
Total assets	61,399,243	59,733,625	55,940,153
Cash paid for long-lived asset additions	5,382,243	6,409,855	5,102,322
Asset Write-Offs, Impairments, And Related Charges	0	0	0
Entergy Wholesale Commodities [Member]
Segment Financial Information
Operating revenues	343,461	698,164	942,869
Depreciation, amortization, & decommissioning	42,563	164,602	306,974
Interest and investment income	(34,397)	118,597	234,194
Interest expense	7,714	13,334	22,432
Income Tax Expense (Benefit)	54,465	(25,381)	104,937
Consolidated net income	64,822	(120,689)	(62,763)
Total assets	394,462	1,242,675	3,800,378
Cash paid for long-lived asset additions	13,510	12,100	54,455
Asset Write-Offs, Impairments, And Related Charges	(163,464)	263,625	26,623
All Other [Member]
Segment Financial Information
Operating revenues	0	87	78
Depreciation, amortization, & decommissioning	883	2,706	2,835
Interest and investment income	5,677	10,932	19,563
Interest expense	161,160	143,614	146,730
Income Tax Expense (Benefit)	(59,180)	(47,454)	55,868
Consolidated net income	(180,247)	(121,457)	(219,344)
Total assets	565,803	561,168	552,632
Cash paid for long-lived asset additions	374	157	84
Asset Write-Offs, Impairments, And Related Charges	0	0	0
Entergy Corporation Consolidated
Segment Financial Information
Operating revenues	13,764,237	11,742,896	10,113,636
Depreciation, amortization, & decommissioning	1,985,099	1,990,697	1,994,947
Interest and investment income	(75,581)	430,466	392,818
Interest expense	912,237	834,694	785,663
Income Tax Expense (Benefit)	(38,978)	191,374	(121,506)
Consolidated net income	1,097,138	1,118,719	1,406,653
Total assets	58,595,191	59,454,242	58,239,212
Cash paid for long-lived asset additions	5,396,127	6,422,112	5,156,861
Asset Write-Offs, Impairments, And Related Charges	$ (163,464)	$ 263,625	$ 26,623