Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Securitized Regulatory Transition Assets, Noncurrent	$ 226,006	$ 234,112
Long-Term Transition Bond, Noncurrent	$ 230,445	$ 239,622
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, No Par Value	$ 0	$ 0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	998,000,000	998,000,000
Common Stock, Shares, Issued	577,511,170	561,950,696
Treasury Stock, Common, Shares	131,102,101	132,370,280
Disposal Group, Including Discontinued Operation, Assets, Current	$ 19,602	$ 15,574
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	472,528	462,797
Entergy Texas [Member]
Securitized Regulatory Transition Assets, Noncurrent	226,006	234,112
Long-Term Transition Bond, Noncurrent	$ 230,445	$ 239,622
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
Common Stock, No Par Value	$ 0	$ 0
Entergy New Orleans [Member]
Disposal Group, Including Discontinued Operation, Assets, Current	$ 14,757	$ 13,100
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	$ 289,126	$ 284,738
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
Common Stock, No Par Value	$ 0	$ 0