Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Narrative) (Details) $ in Thousands	1 Months Ended					9 Months Ended
	Aug. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Feb. 28, 2022 USD ($)	Jan. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Amount of Facility						$ 3,500,000
Amount Drawn/ Outstanding						$ 150,000
Commercial Paper Program [Member]
Debt Instrument [Line Items]
Debt, weighted average interest rate						1.52%
Commercial Paper program limit						$ 2,000,000
Commercial Paper Amount Outstanding						1,387,000
Credit Facility [Member]
Debt Instrument [Line Items]
Amount of Facility						3,500,000
Amount of total borrowing capacity against which fronting commitments exist						$ 20,000
Line of credit facility, commitment fee percentage						0.225%
Line of Credit Facility, Interest Rate During Period						2.39%
4.00% Series mortgage bonds due July 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		4.00%	4.00%
Repayments of First Mortgage Bond			$ 650,000
Repayments of Debt		$ 650,000
Entergy Arkansas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						$ 250,000
Amount of total borrowing capacity against which fronting commitments exist						5,000
Entergy Arkansas [Member] | 4.20% Series mortgage bonds due April 2049
Debt Instrument [Line Items]
Proceeds from Issuance of Debt					$ 200,000
Debt instrument, interest rate, stated percentage					4.20%
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						450,000
Amount of total borrowing capacity against which fronting commitments exist						15,000
Letters of Credit Outstanding, Amount						$ 900
Aggregate principal amount of system restoration bonds authorization requested												$ 3,186,000
Entergy Louisiana [Member] | Unsecured Term Loan due June 2023
Debt Instrument [Line Items]
Debt, weighted average interest rate						1.18%
Long-term Line of Credit, Noncurrent														$ 1,200,000
Entergy Louisiana [Member] | Mortgage Bonds Zero Point Six Two Percent Series Due November 2023
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	0.62%		0.62%
Repayments of First Mortgage Bond	$ 665,000		$ 435,000
First Mortgage Bond Amount Outstanding			665,000
Entergy Louisiana [Member] | 4.75% Series mortgage bonds due September 2052
Debt Instrument [Line Items]
Proceeds from Issuance of Debt	$ 500,000
Debt instrument, interest rate, stated percentage	4.75%
Entergy Louisiana [Member] | 3.3% Series mortgage bonds due December 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.30%
Repayments of First Mortgage Bond	$ 200,000
Entergy Mississippi [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						$ 200,000
Letters of Credit Outstanding, Amount						800								200
Non-MISO letter of credit outstanding						$ 1,000
Entergy Mississippi [Member] | Unsecured Term Loan due December 2023
Debt Instrument [Line Items]
Debt, weighted average interest rate						3.30%
Proceeds from Issuance of Debt		$ 150,000
Entergy Texas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						$ 200,000
Amount of total borrowing capacity against which fronting commitments exist						30,000
Letters of Credit Outstanding, Amount						800								$ 100
Entergy Texas [Member] | Hurricanes Laura and Delta and Winter Storm Uri
Debt Instrument [Line Items]
Aggregate principal amount of system restoration bonds authorization requested													$ 242,900
System Restoration Regulatory Asset													$ 13,300
Entergy Texas [Member] | 3.697% Senior Secured System Restoration Bonds Series 2022-A Due December 2036
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				$ 190,850
Debt instrument, interest rate, stated percentage				3.697%
Entergy Texas [Member] | 3.051% Senior Secured System Restoration Bonds Series 2022-A Due December 2028
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				$ 100,000
Debt instrument, interest rate, stated percentage				3.051%
Entergy Texas [Member] | Aggregate Senior secured restoration bonds (securitization bonds)
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				$ 290,850
Entergy Texas [Member] | Aggregate Senior secured restoration bonds (securitization bonds) | Hurricanes Laura and Delta and Winter Storm Uri
Debt Instrument [Line Items]
Proceeds from Issuance of Debt				$ 290,850
Entergy Texas [Member] | 5.00% Series mortgage bonds due September 2052
Debt Instrument [Line Items]
Proceeds from Issuance of Debt	$ 325,000
Debt instrument, interest rate, stated percentage	5.00%
System Energy [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						$ 200,000
System Energy [Member] | Unsecured Term Loan due November 2023
Debt Instrument [Line Items]
Debt, weighted average interest rate						2.97%
Proceeds from Issuance of Debt			$ 50,000
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings						$ 150,000
Amount of total borrowing capacity against which fronting commitments exist						10,000
Letters of Credit Outstanding, Amount						100
System Energy VIE [Member]
Debt Instrument [Line Items]
Amount Drawn/ Outstanding						$ 83,900
Line of Credit Facility, Interest Rate During Period						2.15%
Line of credit facility commitment fee as a percentage of undrawn commitment amount						0.10%
Entergy Arkansas VIE [Member]
Debt Instrument [Line Items]
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						2.21%
Line of credit facility commitment fee as a percentage of undrawn commitment amount						0.10%
Entergy Louisiana Waterford VIE [Member]
Debt Instrument [Line Items]
Amount Drawn/ Outstanding						$ 72,200
Line of Credit Facility, Interest Rate During Period						2.12%
Line of credit facility commitment fee as a percentage of undrawn commitment amount						0.10%
Entergy Louisiana River Bend VIE [Member]
Debt Instrument [Line Items]
Amount Drawn/ Outstanding						$ 15,100
Line of Credit Facility, Interest Rate During Period						1.75%
Line of credit facility commitment fee as a percentage of undrawn commitment amount						0.10%
Entergy Nuclear Vermont Yankee
Debt Instrument [Line Items]
Amount of Facility						$ 139,000
Amount Drawn/ Outstanding						$ 139,000
Debt, weighted average interest rate						2.54%
Line of credit facility commitment fee as a percentage of undrawn commitment amount						0.20%
Maximum [Member]
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage						0.375%
Consolidated debt ratio						0.65
Maximum [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Consolidated debt ratio						0.65
Consolidated debt ratio of total capitalization						70.00%
Maximum [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Consolidated debt ratio						0.65
Consolidated debt ratio of total capitalization						70.00%
Maximum [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Consolidated debt ratio						0.65
Maximum [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Consolidated debt ratio						0.65
Maximum [Member] | System Energy [Member]
Debt Instrument [Line Items]
Consolidated debt ratio						0.65
Consolidated debt ratio of total capitalization						70.00%
Maximum [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Consolidated debt ratio						0.65
Minimum [Member]
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage						0.075%
Credit Facility Of Three Hundred Fifty Million [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Amount of Facility	$ 350,000					$ 350,000
Letters of Credit Outstanding, Amount						0
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						4.38%
Credit Facility Of One Hundred And Fifty Million [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Amount of Facility						$ 150,000
Letters of Credit Outstanding, Amount						0
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						4.26%
Credit Facility Of One Hundred And Fifty Million [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Amount of Facility						$ 150,000
Letters of Credit Outstanding, Amount						0
Amount Drawn/ Outstanding						$ 100,000
Line of Credit Facility, Interest Rate During Period						3.97%
Credit Facility Of One Hundred And Fifty Million [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Amount of Facility						$ 150,000
Letters of Credit Outstanding, Amount						1,100
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						4.38%
Credit Facility Of Ten Million [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Amount of Facility						$ 10,000
Letters of Credit Outstanding, Amount						0
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						4.63%
Credit Facility Of Twenty Five Million [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Amount of Facility						$ 25,000
Letters of Credit Outstanding, Amount						0
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						4.37%
Credit Facility Of Twenty Five Million [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Amount of Facility						$ 25,000
Letters of Credit Outstanding, Amount						0
Amount Drawn/ Outstanding						$ 0
Line of Credit Facility, Interest Rate During Period						4.74%
Subsequent Event [Member] | Entergy Texas [Member] | Tranche A-1 3.051% due December 2028
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months											$ 12,300
Long-term Debt, Maturities, Repayments of Principal in Year Two										$ 17,800
Long-term Debt, Maturities, Repayments of Principal in Year Three									$ 18,300
Long-term Debt, Maturities, Repayments of Principal in Year Four								$ 18,800
Long-term Debt, Maturities, Repayments of Principal in Year Five							$ 19,400
Credit Facility of Sixty Five Million [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount						$ 9,700
Uncommitted Credit Facility						$ 65,000