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Transactions With Affiliates

12 Months Ended

Dec. 31, 2025

Entergy Arkansas [Member]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with the FERC.  The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; and receive management, technical, and operating services from Entergy Operations.  These transactions are on an “at cost” basis.

As described in Note 19 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans, and billings to Entergy Louisiana through September 30, 2025. See Note 8 to the financial statements for discussion of the amendment to the Unit Power Sales Agreement as of October 1, 2025.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in the Entergy system money pool and earn interest income from the money pool.  As described in Note 2 to the financial statements, the Entergy Louisiana storm trust I and storm trust II receive annual dividends on their respective preferred membership interests issued by Entergy Finance Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$96.0						$386.5						$1.0						$0.4						$—						$581.4
2024			$111.8						$312.8						$1.0						$—						$—						$583.3
2023			$125.2						$317.6						$1.0						$—						$0.7						$588.4

Intercompany Operating Expenses

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$534.0						$639.6						$434.4						$294.0						$313.7						$146.8
2024			$540.6						$649.3						$339.6						$293.9						$319.4						$166.6
2023			$585.8						$719.8						$345.2						$302.5						$316.8						$179.0

Intercompany Interest and Investment Income

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$1.7						$299.1						$2.9						$0.3						$0.7						$0.5
2024			$2.2						$315.4						$0.4						$0.2						$2.7						$0.8
2023			$0.7						$303.2						$0.2						$1.0						$1.8						$0.6

Entergy Louisiana [Member]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with the FERC.  The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; and receive management, technical, and operating services from Entergy Operations.  These transactions are on an “at cost” basis.

As described in Note 19 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans, and billings to Entergy Louisiana through September 30, 2025. See Note 8 to the financial statements for discussion of the amendment to the Unit Power Sales Agreement as of October 1, 2025.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in the Entergy system money pool and earn interest income from the money pool.  As described in Note 2 to the financial statements, the Entergy Louisiana storm trust I and storm trust II receive annual dividends on their respective preferred membership interests issued by Entergy Finance Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$96.0						$386.5						$1.0						$0.4						$—						$581.4
2024			$111.8						$312.8						$1.0						$—						$—						$583.3
2023			$125.2						$317.6						$1.0						$—						$0.7						$588.4

Intercompany Operating Expenses

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$534.0						$639.6						$434.4						$294.0						$313.7						$146.8
2024			$540.6						$649.3						$339.6						$293.9						$319.4						$166.6
2023			$585.8						$719.8						$345.2						$302.5						$316.8						$179.0

Intercompany Interest and Investment Income

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$1.7						$299.1						$2.9						$0.3						$0.7						$0.5
2024			$2.2						$315.4						$0.4						$0.2						$2.7						$0.8
2023			$0.7						$303.2						$0.2						$1.0						$1.8						$0.6

Entergy Mississippi [Member]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with the FERC.  The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; and receive management, technical, and operating services from Entergy Operations.  These transactions are on an “at cost” basis.

As described in Note 19 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans, and billings to Entergy Louisiana through September 30, 2025. See Note 8 to the financial statements for discussion of the amendment to the Unit Power Sales Agreement as of October 1, 2025.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in the Entergy system money pool and earn interest income from the money pool.  As described in Note 2 to the financial statements, the Entergy Louisiana storm trust I and storm trust II receive annual dividends on their respective preferred membership interests issued by Entergy Finance Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$96.0						$386.5						$1.0						$0.4						$—						$581.4
2024			$111.8						$312.8						$1.0						$—						$—						$583.3
2023			$125.2						$317.6						$1.0						$—						$0.7						$588.4

Intercompany Operating Expenses

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$534.0						$639.6						$434.4						$294.0						$313.7						$146.8
2024			$540.6						$649.3						$339.6						$293.9						$319.4						$166.6
2023			$585.8						$719.8						$345.2						$302.5						$316.8						$179.0

Intercompany Interest and Investment Income

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$1.7						$299.1						$2.9						$0.3						$0.7						$0.5
2024			$2.2						$315.4						$0.4						$0.2						$2.7						$0.8
2023			$0.7						$303.2						$0.2						$1.0						$1.8						$0.6

Entergy New Orleans [Member]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with the FERC.  The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; and receive management, technical, and operating services from Entergy Operations.  These transactions are on an “at cost” basis.

As described in Note 19 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans, and billings to Entergy Louisiana through September 30, 2025. See Note 8 to the financial statements for discussion of the amendment to the Unit Power Sales Agreement as of October 1, 2025.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in the Entergy system money pool and earn interest income from the money pool.  As described in Note 2 to the financial statements, the Entergy Louisiana storm trust I and storm trust II receive annual dividends on their respective preferred membership interests issued by Entergy Finance Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$96.0						$386.5						$1.0						$0.4						$—						$581.4
2024			$111.8						$312.8						$1.0						$—						$—						$583.3
2023			$125.2						$317.6						$1.0						$—						$0.7						$588.4

Intercompany Operating Expenses

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$534.0						$639.6						$434.4						$294.0						$313.7						$146.8
2024			$540.6						$649.3						$339.6						$293.9						$319.4						$166.6
2023			$585.8						$719.8						$345.2						$302.5						$316.8						$179.0

Intercompany Interest and Investment Income

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$1.7						$299.1						$2.9						$0.3						$0.7						$0.5
2024			$2.2						$315.4						$0.4						$0.2						$2.7						$0.8
2023			$0.7						$303.2						$0.2						$1.0						$1.8						$0.6

Entergy Texas [Member]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with the FERC.  The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; and receive management, technical, and operating services from Entergy Operations.  These transactions are on an “at cost” basis.

As described in Note 19 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans, and billings to Entergy Louisiana through September 30, 2025. See Note 8 to the financial statements for discussion of the amendment to the Unit Power Sales Agreement as of October 1, 2025.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in the Entergy system money pool and earn interest income from the money pool.  As described in Note 2 to the financial statements, the Entergy Louisiana storm trust I and storm trust II receive annual dividends on their respective preferred membership interests issued by Entergy Finance Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$96.0						$386.5						$1.0						$0.4						$—						$581.4
2024			$111.8						$312.8						$1.0						$—						$—						$583.3
2023			$125.2						$317.6						$1.0						$—						$0.7						$588.4

Intercompany Operating Expenses

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$534.0						$639.6						$434.4						$294.0						$313.7						$146.8
2024			$540.6						$649.3						$339.6						$293.9						$319.4						$166.6
2023			$585.8						$719.8						$345.2						$302.5						$316.8						$179.0

Intercompany Interest and Investment Income

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$1.7						$299.1						$2.9						$0.3						$0.7						$0.5
2024			$2.2						$315.4						$0.4						$0.2						$2.7						$0.8
2023			$0.7						$303.2						$0.2						$1.0						$1.8						$0.6

System Energy [Member]

Related Party Transactions Disclosure [Text Block]

TRANSACTIONS WITH AFFILIATES (Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

Each Registrant Subsidiary purchases electricity from or sells electricity to the other Registrant Subsidiaries, or both, under rate schedules filed with the FERC.  The Registrant Subsidiaries receive management, technical, advisory, operating, and administrative services from Entergy Services; and receive management, technical, and operating services from Entergy Operations.  These transactions are on an “at cost” basis.

As described in Note 19 to the financial statements, all of System Energy’s operating revenues consist of billings to Entergy Arkansas, Entergy Mississippi, and Entergy New Orleans, and billings to Entergy Louisiana through September 30, 2025. See Note 8 to the financial statements for discussion of the amendment to the Unit Power Sales Agreement as of October 1, 2025.

As described in Note 4 to the financial statements, the Registrant Subsidiaries participate in the Entergy system money pool and earn interest income from the money pool.  As described in Note 2 to the financial statements, the Entergy Louisiana storm trust I and storm trust II receive annual dividends on their respective preferred membership interests issued by Entergy Finance Company.

The tables below contain the various affiliate transactions of the Utility operating companies, System Energy, and other Entergy affiliates.

Intercompany Revenues

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$96.0						$386.5						$1.0						$0.4						$—						$581.4
2024			$111.8						$312.8						$1.0						$—						$—						$583.3
2023			$125.2						$317.6						$1.0						$—						$0.7						$588.4

Intercompany Operating Expenses

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$534.0						$639.6						$434.4						$294.0						$313.7						$146.8
2024			$540.6						$649.3						$339.6						$293.9						$319.4						$166.6
2023			$585.8						$719.8						$345.2						$302.5						$316.8						$179.0

Intercompany Interest and Investment Income

			Entergy Arkansas						Entergy Louisiana						Entergy Mississippi						Entergy New Orleans						Entergy Texas						System Energy
			(In Millions)
2025			$1.7						$299.1						$2.9						$0.3						$0.7						$0.5
2024			$2.2						$315.4						$0.4						$0.2						$2.7						$0.8
2023			$0.7						$303.2						$0.2						$1.0						$1.8						$0.6

X

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-5

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-6

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477968/946-235-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 235
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477968/946-235-50-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(e))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/850/tableOfContent

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-6

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

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