Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Securitized Regulatory Transition Assets, Noncurrent	$ 273,181	$ 282,886
Long-term Transition Bond, Noncurrent	$ 292,912	$ 292,760
Common Stock, Shares Authorized	499,000,000	499,000,000
Common Stock, Shares, Issued	279,653,929	279,653,929
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Treasury Stock, Shares	68,207,883	68,477,429
Property, Plant and Equipment, Net	$ 400,579	$ 366,405
Storm Reserve Escrow Account	406,150	401,955
Liability, Defined Benefit Plan, Current	87,588	104,845
Sale-leaseback/depreciation regulatory liability	0	103,497
Regulatory Assets, Noncurrent	5,493,703	6,036,397
Other Long-term Investments	101,498	102,259
Interest Payable, Current	225,891	195,264
Entergy New Orleans [Member]
Securitized Regulatory Transition Assets, Noncurrent	10,700	13,363
Long-term Transition Bond, Noncurrent	17,757	17,697
Property, Plant and Equipment, Net	1,050	1,050
Storm Reserve Escrow Account	75,811	75,000
Regulatory Assets, Noncurrent	199,845	202,112
Other Long-term Investments	675	675
Interest Payable, Current	7,719	8,080
Accounts Receivable, Related Parties, Current	14,502	149,927
Entergy Texas [Member]
Securitized Regulatory Transition Assets, Noncurrent	262,481	269,523
Long-term Transition Bond, Noncurrent	$ 275,154	$ 275,064
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued	46,525,000	46,525,000
Common Stock, Shares, Outstanding	46,525,000	46,525,000
Property, Plant and Equipment, Net	$ 376	$ 376
Regulatory Assets, Noncurrent	557,147	578,682
Other Long-term Investments	19,129	18,975
Interest Payable, Current	11,272	23,928
Accounts Receivable, Related Parties, Current	$ 13,824	$ 115,549
System Energy [Member]
Common Stock, Shares Authorized	1,000,000	1,000,000
Common Stock, Shares, Issued	789,350	789,350
Common Stock, Shares, Outstanding	789,350	789,350
Sale-leaseback/depreciation regulatory liability	$ 0	$ 103,497
Regulatory Assets, Noncurrent	418,368	415,121
Interest Payable, Current	11,533	11,591
Accounts Receivable, Related Parties, Current	89,804	158,601
Entergy Arkansas [Member]
Regulatory Assets, Noncurrent	1,837,282	1,810,281
Other Long-term Investments	2,430	2,414
Interest Payable, Current	54,721	18,816
Accounts Receivable, Related Parties, Current	$ 51,962	$ 45,336