Revolving Credit Facilities, Lines Of Credit, Short-Term Borrowings, And Long-Term Debt (Narrative) (Details) $ in Thousands	1 Months Ended				6 Months Ended
	Jun. 30, 2022 USD ($)	May 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 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				$ 3,500,000
Amount Drawn/ Outstanding	$ 150,000				$ 150,000
Commercial Paper Program [Member]
Debt Instrument [Line Items]
Debt, weighted average interest rate	0.91%				0.91%
Commercial Paper program limit	$ 2,000,000				$ 2,000,000
Commercial Paper Amount Outstanding	1,398,000				1,398,000
Credit Facility [Member]
Debt Instrument [Line Items]
Amount of Facility	3,500,000				3,500,000
Amount of total borrowing capacity against which fronting commitments exist	$ 20,000				$ 20,000
Line of credit facility, commitment fee percentage					0.225%
Line of Credit Facility, Interest Rate During Period					1.96%
4.00% Series mortgage bonds due July 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.00%	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				$ 250,000
Amount of total borrowing capacity against which fronting commitments exist	$ 5,000				$ 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%				4.20%
Entergy Louisiana [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings	$ 450,000				$ 450,000
Amount of total borrowing capacity against which fronting commitments exist	$ 15,000				$ 15,000
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%				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%
Repayments of First Mortgage Bond		$ 435,000
First Mortgage Bond Amount Outstanding	$ 665,000				$ 665,000
Entergy Mississippi [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings	200,000				200,000
Letters of Credit Outstanding, Amount	400				400								200
Non-MISO letter of credit outstanding	$ 7,000				$ 7,000
Entergy Mississippi [Member] | Unsecured Term Loan due December 2023
Debt Instrument [Line Items]
Debt, weighted average interest rate	2.47%				2.47%
Proceeds from Issuance of Debt	$ 150,000
Entergy Texas [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings	200,000				$ 200,000
Amount of total borrowing capacity against which fronting commitments exist	30,000				30,000
Letters of Credit Outstanding, Amount	5,300				5,300								$ 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
System Energy [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings	$ 200,000				$ 200,000
System Energy [Member] | Unsecured Term Loan due November 2023
Debt Instrument [Line Items]
Debt, weighted average interest rate	2.20%				2.20%
Proceeds from Issuance of Debt		$ 50,000
Entergy New Orleans [Member]
Debt Instrument [Line Items]
Authorized Short Term Borrowings	$ 150,000				$ 150,000
Amount of total borrowing capacity against which fronting commitments exist	10,000				10,000
System Energy VIE [Member]
Debt Instrument [Line Items]
Amount Drawn/ Outstanding	93,800				$ 93,800
Line of Credit Facility, Interest Rate During Period					1.54%
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	12,000				$ 12,000
Line of Credit Facility, Interest Rate During Period					1.55%
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	70,400				$ 70,400
Line of Credit Facility, Interest Rate During Period					1.49%
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	20,000				$ 20,000
Line of Credit Facility, Interest Rate During Period					1.37%
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				$ 139,000
Amount Drawn/ Outstanding	$ 139,000				$ 139,000
Debt, weighted average interest rate	2.02%				2.02%
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				0.65
Maximum [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Consolidated debt ratio	0.65				0.65
Consolidated debt ratio of total capitalization					70.00%
Maximum [Member] | Entergy Louisiana [Member]
Debt Instrument [Line Items]
Consolidated debt ratio	0.65				0.65
Consolidated debt ratio of total capitalization					70.00%
Maximum [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Consolidated debt ratio	0.65				0.65
Maximum [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Consolidated debt ratio	0.65				0.65
Maximum [Member] | System Energy [Member]
Debt Instrument [Line Items]
Consolidated debt ratio	0.65				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				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				0
Amount Drawn/ Outstanding	0				$ 0
Line of Credit Facility, Interest Rate During Period					2.88%
Credit Facility Of One Hundred And Fifty Million [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Amount of Facility	150,000				$ 150,000
Letters of Credit Outstanding, Amount	0				0
Amount Drawn/ Outstanding	0				$ 0
Line of Credit Facility, Interest Rate During Period					2.75%
Credit Facility Of One Hundred And Fifty Million [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Amount of Facility	150,000				$ 150,000
Letters of Credit Outstanding, Amount	0				0
Amount Drawn/ Outstanding	100,000				$ 100,000
Line of Credit Facility, Interest Rate During Period					2.42%
Credit Facility Of One Hundred And Fifty Million [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Amount of Facility	150,000				$ 150,000
Letters of Credit Outstanding, Amount	1,100				1,100
Amount Drawn/ Outstanding	0				$ 0
Line of Credit Facility, Interest Rate During Period					2.88%
Credit Facility Of Ten Million [Member] | Entergy Mississippi [Member]
Debt Instrument [Line Items]
Amount of Facility	10,000				$ 10,000
Letters of Credit Outstanding, Amount	0				0
Amount Drawn/ Outstanding	0				$ 0
Line of Credit Facility, Interest Rate During Period					3.13%
Credit Facility Of Twenty Five Million [Member] | Entergy Arkansas [Member]
Debt Instrument [Line Items]
Amount of Facility	25,000				$ 25,000
Letters of Credit Outstanding, Amount	0				0
Amount Drawn/ Outstanding	0				$ 0
Line of Credit Facility, Interest Rate During Period					3.19%
Credit Facility Of Twenty Five Million [Member] | Entergy New Orleans [Member]
Debt Instrument [Line Items]
Amount of Facility	25,000				$ 25,000
Letters of Credit Outstanding, Amount	0				0
Amount Drawn/ Outstanding	0				$ 0
Line of Credit Facility, Interest Rate During Period					3.29%
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	4,300				$ 4,300
Uncommitted Credit Facility	$ 65,000				$ 65,000