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System Restoration Regulatory Asset

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Long - Term Debt (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended								12 Months Ended
	Jan. 31, 2023	Dec. 31, 2022	Apr. 30, 2022	Nov. 30, 2020	Jul. 31, 2015	May 31, 2015	Sep. 30, 2009	Apr. 30, 2007	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2027	Dec. 31, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Feb. 28, 2022	Jan. 31, 2022	Sep. 30, 2011	Nov. 30, 2009	Jun. 30, 2007
Debt Instrument [Line Items]
Year One		$ 2,310,306							$ 2,310,306
Year Two		2,176,275							2,176,275
Year Three		1,525,640							1,525,640
Year Four		2,305,720							2,305,720
Year Five		1,129,490							1,129,490
Bonds issued to recover cost		292,760							292,760	$ 83,639
Long-term debt									6,019,835	8,308,427	$ 12,619,201
System Energy [Member]
Debt Instrument [Line Items]
Year One		300,000							300,000
Year Two		0							0
Year Three		272,600							272,600
Year Four		0							0
Year Five		90,000							90,000
Long-term debt									1,022,472	662,423	1,147,903
Entergy Arkansas [Member]
Debt Instrument [Line Items]
Year One		290,000							290,000
Year Two		375,000							375,000
Year Three		0							0
Year Four		690,000							690,000
Year Five		0							0
Long-term debt									232,731	719,284	1,071,121
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Year One		1,010,000							1,010,000
Year Two		1,700,000							1,700,000
Year Three		373,900							373,900
Year Four		650,000							650,000
Year Five		570,000							570,000
Long-term debt									2,942,771	3,769,166	3,675,083
Aggregate principal amount of system restoration bonds authorization requested																	$ 3,186,000
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Up Front Financing Costs On Issuance Of Bonds To Recover Storm Damage Restoration Costs						$ 3,000
Year One		171,306							171,306
Year Two		1,275							1,275
Year Three		79,140							79,140
Year Four		85,720							85,720
Year Five		19,490							19,490
Amount of Hurricane Issac storm cost to be recovered through securitization						31,800
Replenishment amount for storm reserve spending						$ 63,900
Long-term debt									0	183,403	138,925
Entergy Texas [Member]
Debt Instrument [Line Items]
Year One		0							0
Year Two		0							0
Year Three		0							0
Year Four		130,000							130,000
Year Five		150,000							150,000
Bonds issued to recover cost		275,064							275,064	53,979
Long-term debt									606,168	127,931	$ 937,725
Hurricane Rita [Member] \| Entergy New Orleans [Member]
Debt Instrument [Line Items]
Up Front Financing Costs On Issuance Of Bonds To Recover Storm Damage Restoration Costs		1,800
Hurricane Ike And Hurricane Gustav [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost																				$ 545,900
Debt Instrument, Annual Principal Payment		$ 54,300							$ 54,300
Financing order authorized to issue storm cost recovery bonds							$ 566,400
Hurricanes Laura and Delta and Winter Storm Uri \| Entergy Texas [Member]
Debt Instrument [Line Items]
Aggregate principal amount of system restoration bonds authorization requested																		$ 242,900
Hurricane Harvey \| Entergy Texas [Member]
Debt Instrument [Line Items]
System Restoration Regulatory Asset																		$ 13,300
Hurricane Rita [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Year Two										17,500
Bonds issued to recover cost																					$ 329,500
Financing order authorized to issue storm cost recovery bonds								$ 353,000
Amount of storm cost recovery bonds for transaction costs								6,000
Deferred income tax benefits								$ 32,000
Aggregate Senior secured restoration bonds (securitization bonds) \| Entergy Texas [Member]
Debt Instrument [Line Items]
Issuance Of Debt			$ 290,850
Aggregate Senior secured restoration bonds (securitization bonds) \| Hurricanes Laura and Delta and Winter Storm Uri \| Entergy Texas [Member]
Debt Instrument [Line Items]
Issuance Of Debt			290,850
Securitization Bonds 3.051% Series Senior Secured Due December 2028 \| Entergy Texas [Member]
Debt Instrument [Line Items]
Issuance Of Debt			100,000
Securitization Bonds 3.697% Series Senior Secured Due December 2036 \| Entergy Texas [Member]
Debt Instrument [Line Items]
Issuance Of Debt			$ 190,850
4.0% Series First Mortgage Bonds Due March 2029 [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		4.00%							4.00%
Long-term Debt, Gross		$ 300,000							$ 300,000	300,000
Debt Instrument, Interest Rate, Stated Percentage		4.00%							4.00%
4.50% Series First Mortgage Bonds Due March 2039 [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		4.50%							4.50%
Long-term Debt, Gross		$ 400,000							$ 400,000	400,000
Debt Instrument, Interest Rate, Stated Percentage		4.50%							4.50%
Tranche A One Two Point Six Seven Percent Due June Two Thousand Twenty Seven [Member] \| Entergy New Orleans [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage					2.67%
Issuance Of Debt					$ 98,700
Debt Instrument, Interest Rate, Stated Percentage					2.67%
Securitization Bonds, 4.38% Series Senior Secured, Due November 2023 [Member] \| Entergy Texas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		4.38%							4.38%
Long-term Debt, Gross		$ 0							$ 0	54,257
Debt Instrument, Interest Rate, Stated Percentage		4.38%							4.38%
Mortgage Bonds Zero Point Six Two Percent Series Due November 2023 \| Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage				0.62%
Debt Instrument, Interest Rate, Stated Percentage				0.62%
Long-term debt				$ 1,100,000
Securitization Bonds 3.051% Series Senior Secured Due December 2028 \| Entergy Texas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		3.051%	3.051%						3.051%
Long-term Debt, Gross		$ 87,743							$ 87,743	0
Debt Instrument, Interest Rate, Stated Percentage		3.051%	3.051%						3.051%
Securitization Bonds 3.697% Series Senior Secured Due December 2036 \| Entergy Texas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		3.697%	3.697%						3.697%
Long-term Debt, Gross		$ 190,850							$ 190,850	0
Debt Instrument, Interest Rate, Stated Percentage		3.697%	3.697%						3.697%
Securitization Bonds, 2.04% Series Senior Secured, Due September 2023 [Member] \| Entergy Louisiana [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage																			2.04%
Year Two										11,000
Debt Instrument, Interest Rate, Stated Percentage																			2.04%
Value of non interest bearing first mortgage bonds																			$ 207,200
Subsequent Event [Member] \| Tranche A One Two Point Six Seven Percent Due June Two Thousand Twenty Seven [Member] \| Entergy New Orleans [Member]
Debt Instrument [Line Items]
Year One																$ 12,500
Year Two															$ 6,200
Subsequent Event [Member] \| Securitization Bonds 3.051% Series Senior Secured Due December 2028 \| Entergy Texas [Member]
Debt Instrument [Line Items]
Year One																$ 17,800
Year Two															$ 18,300
Year Three														$ 18,800
Year Four													$ 19,400
Year Five												$ 13,400
Subsequent Event [Member] \| Securitization Bonds 3.697% Series Senior Secured Due December 2036 \| Entergy Texas [Member]
Debt Instrument [Line Items]
Year Five												$ 6,600
Subsequent Event [Member] \| 5.15% Series mortgage bonds due January 2033 \| Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.15%
Issuance Of Debt	$ 425,000
Debt Instrument, Interest Rate, Stated Percentage	5.15%
Subsequent Event [Member] \| Mortgage Bonds, 3.05% Series, Due June 2023 [Member] \| Entergy Arkansas [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.05%
Debt Instrument, Interest Rate, Stated Percentage	3.05%
Repayments of Debt	$ 250,000
Grand Gulf [Member] \| System Energy [Member]
Debt Instrument [Line Items]
Year One		$ 17,188							$ 17,188
Year Two		17,188							17,188
Year Three		17,188							17,188
Year Four		17,188							17,188
Year Five		$ 17,188							$ 17,188
Regulatory Liabilities										$ 55,600