Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securitized Regulatory Transition Assets, Noncurrent	$ 230,065	$ 234,112
Long-Term Transition Bond, Noncurrent	$ 239,713	$ 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	561,950,696	561,950,696
Treasury Stock, Common, Shares	131,176,587	132,370,280
Disposal Group, Including Discontinued Operation, Assets, Current	$ 15,898	$ 15,574
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	467,215	462,797
Entergy Texas [Member]
Securitized Regulatory Transition Assets, Noncurrent	230,065	234,112
Long-Term Transition Bond, Noncurrent	$ 239,713	$ 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	$ 11,218	$ 13,100
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	$ 286,317	$ 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