Long-Term Debt (Schedule of Long-Term Debt Instruments) (Details) - USD ($) $ in Thousands	240 Months Ended	300 Months Ended
	Jun. 15, 2056	Jun. 15, 2056	Nov. 30, 2054	Jun. 15, 2036	Jan. 15, 2026	Jan. 08, 2026	Dec. 31, 2025	Dec. 31, 2024	Apr. 30, 2022
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							$ (23,442)	$ (17,575)
Unamortized Debt Issuance Expense							(226,174)	(204,010)
Other Long-Term Debt							5,303	5,362
Long-Term Debt							30,277,161	27,991,595
Long-Term Debt, Current Maturities							2,375,140	1,378,090
Long-Term Debt, Excluding Current Maturities							27,902,021	26,613,505
Long-Term Debt, Fair Value							28,208,822	25,181,802
Minimum [Member] | Subsequent Event [Member] | Junior subordinated debentures Series 2025A due June 2056
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				5.875%
Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							4,942	5,283
Unamortized Debt Issuance Expense							(28,618)	(23,210)
Long-Term Debt							3,021,324	2,427,073
Long-Term Debt, Current Maturities							0	0
Long-Term Debt, Excluding Current Maturities							3,021,324	2,427,073
Long-Term Debt, Fair Value							2,755,286	2,116,246
Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							4,023	3,620
Unamortized Debt Issuance Expense							(41,316)	(41,552)
Other Long-Term Debt							1,888	1,910
Long-Term Debt							5,423,604	5,122,494
Long-Term Debt, Current Maturities							690,000	0
Long-Term Debt, Excluding Current Maturities							4,733,604	5,122,494
Long-Term Debt, Fair Value							4,931,734	4,546,643
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							(12,753)	(9,820)
Unamortized Debt Issuance Expense							(71,507)	(68,459)
Other Long-Term Debt							3,415	3,452
Long-Term Debt							10,366,835	9,866,453
Long-Term Debt, Current Maturities							720,000	300,000
Long-Term Debt, Excluding Current Maturities							9,646,835	9,566,453
Long-Term Debt, Fair Value							9,510,545	8,751,266
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense							(6,015)	(6,537)
Long-Term Debt							656,849	735,467
Long-Term Debt, Current Maturities							85,000	78,000
Long-Term Debt, Excluding Current Maturities							565,985	650,463
Long term debt excluding current maturities, including long term payable due associated company							571,129	656,327
Long-Term Debt, Fair Value							621,670	697,466
Long-term debt and notes payable related parties, current							85,720	79,140
Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							6,415	7,624
Unamortized Debt Issuance Expense							(29,804)	(27,605)
Long-Term Debt							4,030,188	3,552,443
Long-Term Debt, Current Maturities							130,000	0
Long-Term Debt, Excluding Current Maturities							3,900,188	3,552,443
Long-Term Debt, Fair Value							3,780,405	3,176,230
System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							(12,673)	(8,698)
Unamortized Debt Issuance Expense							(7,832)	(7,164)
Long-Term Debt							1,088,703	1,089,736
Long-Term Debt, Current Maturities							140	200,090
Long-Term Debt, Excluding Current Maturities							1,088,563	889,646
Long-Term Debt, Fair Value							$ 1,104,007	1,063,946
Mortgage Bonds Range 1 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							3.72%
Long-Term Debt, Gross							$ 4,025,000	$ 4,603,000
Mortgage Bonds Range 1 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.50%	1.50%
Mortgage Bonds Range 1 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.25%	6.25%
Mortgage Bonds Range 2 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							4.40%
Long-Term Debt, Gross							$ 6,405,000	$ 5,865,000
Mortgage Bonds Range 2 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.60%	1.60%
Mortgage Bonds Range 2 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.54%	6.54%
Mortgage Bonds Range 3 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							4.57%
Long-Term Debt, Gross							$ 2,707,000	$ 2,207,000
Mortgage Bonds Range 3 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.10%	3.10%
Mortgage Bonds Range 3 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.15%	5.15%
Mortgage Bonds Range 4 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							4.64%
Long-Term Debt, Gross							$ 10,335,000	$ 8,985,000
Mortgage Bonds Range 4 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.65%	2.65%
Mortgage Bonds Range 4 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.85%	5.85%
2.40% Series mortgage bonds due October 2026 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.40%
Long-Term Debt, Gross							$ 400,000	$ 400,000
2.85% Series mortgage bonds due June 2028 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.85%
Long-Term Debt, Gross							$ 375,000	375,000
4.52% Series mortgage bonds due December 2038 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.52%
Long-Term Debt, Gross							$ 55,000	55,000
3.85% Series mortgage bonds due June 2049 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.85%
Long-Term Debt, Gross							$ 435,000	435,000
3.05% Series mortgage bonds due June 2031 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.05%
Long-Term Debt, Gross							$ 325,000	325,000
4.00% Series mortgage bonds due March 2033 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.00%
Long-Term Debt, Gross							$ 750,000	750,000
3.12% Series mortgage bonds due September 2027 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.12%
Long-Term Debt, Gross							$ 450,000	450,000
3.25% Series mortgage bonds due April 2028 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.25%
Long-Term Debt, Gross							$ 425,000	425,000
3.25% Series mortgage bonds due December 2027 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.25%
Long-Term Debt, Gross							$ 150,000	150,000
3.5% Series mortgage bonds due April 2026 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.50%
Long-Term Debt, Gross							$ 600,000	600,000
3.5% Series mortgage bonds due April 2026 [Member] | Entergy Arkansas [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						3.50%
Long-Term Debt, Gross						$ 600,000
4.00% Series mortgage bonds due June 2028 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.00%
Long-Term Debt, Gross							$ 350,000	350,000
3.78% Series mortgage bonds due April 2025 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.78%
Long-Term Debt, Gross							$ 0	110,000
3.78% Series mortgage bonds due April 2025 (Legacy) [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.78%
Long-Term Debt, Gross							$ 0	190,000
4.0% Series mortgage bonds due June 2026 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.00%
Long-Term Debt, Gross							$ 85,000	85,000
4.51% Series mortgage bonds due September 2033 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.51%
Long-Term Debt, Gross							$ 60,000	60,000
4.90% Series mortgage bonds due October 2066 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.90%
Long-Term Debt, Gross							$ 260,000	260,000
3.45% Series mortgage bonds due December 2027 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.45%
Long-Term Debt, Gross							$ 150,000	150,000
4.0% Series mortgage bonds due March 2029 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.00%
Long-Term Debt, Gross							$ 300,000	300,000
4.5% Series mortgage bonds due March 2039 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.50%
Long-Term Debt, Gross							$ 400,000	400,000
4.44% Series mortgage bonds due January 2026 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.44%
Long-Term Debt, Gross							$ 250,000	250,000
4.44% Series mortgage bonds due January 2026 [Member] | Entergy Louisiana [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					4.44%
Long-Term Debt, Gross					$ 250,000
4.875% Series mortgage bonds due September 2066 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.875%
Long-Term Debt, Gross							$ 410,000	410,000
4.875% Series mortgage bonds due September 2066 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.875%
Long-Term Debt, Gross							$ 270,000	270,000
4.95% Series mortgage bonds due December 2044 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.95%
Long-Term Debt, Gross							$ 250,000	250,000
4.20% Series mortgage bonds due April 2049 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.20%
Long-Term Debt, Gross							$ 550,000	550,000
4.95% Series mortgage bonds due January 2045 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.95%
Long-Term Debt, Gross							$ 450,000	450,000
4.20% Series mortgage bonds due September 2048 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.20%
Long-Term Debt, Gross							$ 900,000	900,000
4.20% Series mortgage bonds due April 2050 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.20%
Long-Term Debt, Gross							$ 525,000	525,000
5% Series mortgage bonds due July 2044 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Long-Term Debt, Gross							$ 170,000	170,000
5.0% Series mortgage bonds due December 2052 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Long-Term Debt, Gross							$ 30,000	30,000
5.15% Series mortgage bonds due June 2045 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.15%
Long-Term Debt, Gross							$ 250,000	250,000
3.55% Series mortgage bonds due September 2049 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.55%
Long-Term Debt, Gross							$ 475,000	475,000
5.50% Series mortgage bonds due April 2066 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.50%
Long-Term Debt, Gross							$ 110,000	110,000
Mortgage Bonds [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							3,045,000	2,445,000
Mortgage Bonds [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							5,060,000	4,760,000
Mortgage Bonds [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							10,015,000	9,565,000
Mortgage Bonds [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							657,000	735,000
Mortgage Bonds [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							3,830,000	3,330,000
Mortgage Bonds [Member] | System Energy [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 865,000	825,000
Governmental Bonds Range 1 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							2.43%
Long-Term Debt, Gross							$ 282,375	$ 282,375
Governmental Bonds Range 1 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.00%	2.00%
Governmental Bonds Range 1 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.50%	2.50%
Governmental Bonds [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 198,680	$ 198,680
Governmental Bonds [Member] | System Energy [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 83,695	83,695
Securitization Bonds Range 1 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							3.67%
Long-Term Debt, Gross							$ 223,577	$ 242,424
Securitization Bonds Range 1 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.051%	3.051%
Securitization Bonds Range 1 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.697%	3.697%
Variable Interest Entities Notes Payable Range 1 [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							3.85%
Long-Term Debt, Gross							$ 390,000	$ 390,000
Variable Interest Entities Notes Payable Range 1 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.84%	1.84%
Variable Interest Entities Notes Payable Range 1 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.94%	5.94%
Variable Interest Entity Notes Payable and Credit Facilities [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 173,700	$ 182,500
Variable Interest Entity Notes Payable and Credit Facilities [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							234,000	177,600
Variable Interest Entity Notes Payable and Credit Facilities [Member] | System Energy [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							126,400	162,700
Securitization Bonds [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 223,577	$ 242,424
Entergy Corporation Notes Due September 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.95%	2.95%
Long-Term Debt, Gross							$ 750,000	$ 750,000
Entergy Arkansas VIE Credit Facility [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.34%	6.28%
Long-Term Debt, Gross							$ 13,700	$ 22,500
Entergy Louisiana River Bend VIE Credit Facility [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.36%	6.33%
Long-Term Debt, Gross							$ 50,300	$ 18,700
Entergy Louisiana Waterford VIE Credit Facility [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.36%	6.32%
Long-Term Debt, Gross							$ 43,700	$ 18,900
System Energy VIE Credit Facility [Member] | System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.37%	6.27%
Long-Term Debt, Gross							$ 36,400	$ 72,700
Long Term DOE Obligation [Member]
Debt Instrument [Line Items]
Long-Term Debt, Weighted Average Interest Rate, at Point in Time							0.00%
Debt Instrument, Interest Rate, Stated Percentage							0.00%	0.00%
Long-Term Debt, Gross							$ 225,309	$ 216,016
Long Term DOE Obligation [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 225,309	$ 216,016
Grand Gulf Sale-Leaseback Obligation [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							0.00%	0.00%
Long-Term Debt, Gross							$ 34,113	$ 34,203
Grand Gulf Sale-Leaseback Obligation [Member] | System Energy [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							34,113	34,203
Payable to Entergy Louisiana due November 2035 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Long-Term Debt, Gross							$ 5,864	$ 7,004
Entergy Corporation Notes Due September 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							0.00%	0.90%
Long-Term Debt, Gross							$ 0	$ 800,000
Entergy Corporation Notes Due June 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.80%	2.80%
Long-Term Debt, Gross							$ 600,000	$ 600,000
Entergy Corporation Notes Due June 2050 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.75%	3.75%
Long-Term Debt, Gross							$ 600,000	$ 600,000
2.65% Series mortgage bonds due June 2051 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.65%
Long-Term Debt, Gross							$ 675,000	675,000
1.60% Series mortgage bonds due December 2030 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.60%
Long-Term Debt, Gross							$ 300,000	300,000
2.90% Series mortgage bonds due March 2051 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.90%
Long-Term Debt, Gross							$ 650,000	650,000
VIE Notes Payable, 2.51% Series V due June 2027 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.51%
Long-Term Debt, Gross							$ 70,000	70,000
3.50% Series mortgage bonds due June 2051 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.50%
Long-Term Debt, Gross							$ 370,000	370,000
3.0% Series mortgage bonds due March 2025 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.00%
Long-Term Debt, Gross							$ 0	78,000
3.75% Series mortgage bonds due March 2040 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.75%
Long-Term Debt, Gross							$ 62,000	62,000
1.75% Series mortgage bonds due March 2031 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.75%
Long-Term Debt, Gross							$ 600,000	600,000
2.14% Series mortgage bonds due December 2025 [Member] | System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.14%
Long-Term Debt, Gross							$ 0	200,000
VIE Notes Payable, 2.05% Series K due September 2027 [Member] | System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.05%
Long-Term Debt, Gross							$ 90,000	$ 90,000
Entergy Corporation Notes due June 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.90%	1.90%
Long-Term Debt, Gross							$ 650,000	$ 650,000
Entergy Corporation Notes due June 2031 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.40%	2.40%
Long-Term Debt, Gross							$ 650,000	$ 650,000
VIE Notes Payable, 1.84% Series N due July 2026 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.84%
Long-Term Debt, Gross							$ 90,000	90,000
2.35% Series mortgage bonds due June 2032 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.35%
Long-Term Debt, Gross							$ 500,000	500,000
3.10% Series mortgage bonds due June 2041 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.10%
Long-Term Debt, Gross							$ 500,000	500,000
Governmental Bonds, 2.00% Series Due June 2030, Louisiana Local Government Environmental Facilities and Community Development Authority [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.00%
Long-Term Debt, Gross							$ 16,200	16,200
Governmental Bonds, 2.50% Series Due April 2036, Louisiana Local Government Environmental Facilities and Community Development Authority [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.50%
Long-Term Debt, Gross							$ 182,480	182,480
2.55% Series mortgage bonds due December 2033 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.55%
Long-Term Debt, Gross							$ 200,000	200,000
4.19% Series mortgage bonds due November 2031 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.19%
Long-Term Debt, Gross							$ 90,000	90,000
4.51% Series mortgage bonds due November 2036 [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.51%
Long-Term Debt, Gross							$ 70,000	70,000
1.50% Series mortgage bonds due September 2026 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							1.50%
Long-Term Debt, Gross							$ 130,000	130,000
Governmental Bonds 2.375% Series Due June 2044, Mississippi Business Finance Corp. [Member] | System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							2.375%
Long-Term Debt, Gross							$ 83,695	83,695
3.35% Series mortgage bonds due June 2052 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.35%
Long-Term Debt, Gross							$ 400,000	400,000
4.75% Series mortgage bonds due September 2052 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							4.75%
Long-Term Debt, Gross							$ 500,000	500,000
5.00% Series mortgage bonds due September 2052 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Long-Term Debt, Gross							$ 325,000	325,000
Securitization Bonds 3.051% Series Senior Secured Due December 2028 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.051%		3.051%
Long-Term Debt, Gross							$ 32,727	51,574
Securitization Bonds 3.697% Series Senior Secured Due December 2036 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.697%		3.697%
Long-Term Debt, Gross							$ 190,850	190,850
5.15% Series mortgage bonds due January 2033 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.15%
Long-Term Debt, Gross							$ 425,000	425,000
5.30% Series mortgage bonds due September 2033 [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.30%
Long-Term Debt, Gross							$ 300,000	300,000
VIE Notes Payable, 5.94% Series J due September 2026 [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.94%
Long-Term Debt, Gross							$ 70,000	70,000
5.0% Series mortgage bonds due September 2033 [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Long-Term Debt, Gross							$ 300,000	300,000
5.80% Series mortgage bonds due September 2053 [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.80%
Long-Term Debt, Gross							$ 350,000	350,000
6.00% Series mortgage bonds due April 2028 [Member] | System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.00%
Long-Term Debt, Gross							$ 325,000	$ 325,000
Entergy Corporation Junior Notes Due December 2054
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							7.125%	7.125%
Long-Term Debt, Gross							$ 1,200,000	$ 1,200,000
Entergy Corporation Junior Notes Due December 2054 | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Increase (Decrease)			2.67%
5.45% Series mortgage bonds due June 2034 | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.45%
Long-Term Debt, Gross							$ 700,000	400,000
5.75% Series mortgage bonds due June 2054 | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.75%
Long-Term Debt, Gross							$ 400,000	400,000
5.35% Series mortgage bonds due March 2034 | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.35%
Long-Term Debt, Gross							$ 500,000	500,000
5.15% Series mortgage bonds due September 2034 | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.15%
Long-Term Debt, Gross							$ 700,000	700,000
5.70% Series mortgage bonds due March 2054 | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.70%
Long-Term Debt, Gross							$ 700,000	700,000
5.85% Series mortgage bonds due June 2054 | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.85%
Long-Term Debt, Gross							$ 300,000	300,000
6.25% Series mortgage bonds due June 2029 | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.25%
Long-Term Debt, Gross							$ 35,000	35,000
6.41% Series mortgage bonds due June 2031 | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.41%
Long-Term Debt, Gross							$ 65,000	65,000
6.54% Series mortgage bonds due June 2034 | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.54%
Long-Term Debt, Gross							$ 50,000	50,000
5.55% Series mortgage bonds due September 2054 | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.55%
Long-Term Debt, Gross							$ 350,000	350,000
5.30% Series mortgage bonds due December 2034 | System Energy [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.30%
Long-Term Debt, Gross							$ 540,000	300,000
VIE Notes Payable, 5.54% Series O due May 2029 | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.54%
Long-Term Debt, Gross							$ 70,000	$ 70,000
Junior subordinated debentures Series 2025B due June 2056
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							6.10%	0.00%
Long-Term Debt, Gross							$ 700,000	$ 0
Junior subordinated debentures Series 2025B due June 2056 | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Increase (Decrease)	2.013%	2.179%
Junior subordinated debentures Series 2025B due June 2056 | Minimum [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				6.10%
Junior subordinated debentures Series 2025A due June 2056
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.875%	0.00%
Long-Term Debt, Gross							$ 600,000	$ 0
5.80% Series due March 2054 | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.80%
Long-Term Debt, Gross							$ 750,000	0
5.80% Series due June 2055 | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.80%
Long-Term Debt, Gross							$ 600,000	0
5.25 Series due April 2035 | Entergy Texas [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.25%
Long-Term Debt, Gross							$ 500,000	$ 0