Transactions With Affiliates (Tables)

12 Months Ended

Dec. 31, 2023

Entergy Arkansas [Member]

Schedule of Related Party Transactions [Table Text Block]

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)
2023	$125.2	$317.6	$1.0	$—	$0.7	$588.4
2022	$127.5	$354.0	$1.0	$—	$18.9	$658.8
2021	$109.8	$289.9	$1.4	$—	$64.3	$545.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$585.8	$719.8	$345.2	$302.5	$316.8	$179.0
2022	$617.4	$770.2	$356.1	$341.7	$321.4	$215.0
2021	$559.7	$755.2	$299.8	$287.8	$275.0	$190.8

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$0.7	$303.2	$0.2	$1.0	$1.8	$0.6
2022	$0.1	$186.1	$0.1	$0.1	$0.3	$0.3
2021	$—	$127.6	$—	$—	$—	$—

Entergy Louisiana [Member]

Schedule of Related Party Transactions [Table Text Block]

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)
2023	$125.2	$317.6	$1.0	$—	$0.7	$588.4
2022	$127.5	$354.0	$1.0	$—	$18.9	$658.8
2021	$109.8	$289.9	$1.4	$—	$64.3	$545.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$585.8	$719.8	$345.2	$302.5	$316.8	$179.0
2022	$617.4	$770.2	$356.1	$341.7	$321.4	$215.0
2021	$559.7	$755.2	$299.8	$287.8	$275.0	$190.8

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$0.7	$303.2	$0.2	$1.0	$1.8	$0.6
2022	$0.1	$186.1	$0.1	$0.1	$0.3	$0.3
2021	$—	$127.6	$—	$—	$—	$—

Entergy Mississippi [Member]

Schedule of Related Party Transactions [Table Text Block]

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)
2023	$125.2	$317.6	$1.0	$—	$0.7	$588.4
2022	$127.5	$354.0	$1.0	$—	$18.9	$658.8
2021	$109.8	$289.9	$1.4	$—	$64.3	$545.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$585.8	$719.8	$345.2	$302.5	$316.8	$179.0
2022	$617.4	$770.2	$356.1	$341.7	$321.4	$215.0
2021	$559.7	$755.2	$299.8	$287.8	$275.0	$190.8

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$0.7	$303.2	$0.2	$1.0	$1.8	$0.6
2022	$0.1	$186.1	$0.1	$0.1	$0.3	$0.3
2021	$—	$127.6	$—	$—	$—	$—

Entergy New Orleans [Member]

Schedule of Related Party Transactions [Table Text Block]

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)
2023	$125.2	$317.6	$1.0	$—	$0.7	$588.4
2022	$127.5	$354.0	$1.0	$—	$18.9	$658.8
2021	$109.8	$289.9	$1.4	$—	$64.3	$545.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$585.8	$719.8	$345.2	$302.5	$316.8	$179.0
2022	$617.4	$770.2	$356.1	$341.7	$321.4	$215.0
2021	$559.7	$755.2	$299.8	$287.8	$275.0	$190.8

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$0.7	$303.2	$0.2	$1.0	$1.8	$0.6
2022	$0.1	$186.1	$0.1	$0.1	$0.3	$0.3
2021	$—	$127.6	$—	$—	$—	$—

Entergy Texas [Member]

Schedule of Related Party Transactions [Table Text Block]

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)
2023	$125.2	$317.6	$1.0	$—	$0.7	$588.4
2022	$127.5	$354.0	$1.0	$—	$18.9	$658.8
2021	$109.8	$289.9	$1.4	$—	$64.3	$545.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$585.8	$719.8	$345.2	$302.5	$316.8	$179.0
2022	$617.4	$770.2	$356.1	$341.7	$321.4	$215.0
2021	$559.7	$755.2	$299.8	$287.8	$275.0	$190.8

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$0.7	$303.2	$0.2	$1.0	$1.8	$0.6
2022	$0.1	$186.1	$0.1	$0.1	$0.3	$0.3
2021	$—	$127.6	$—	$—	$—	$—

System Energy [Member]

Schedule of Related Party Transactions [Table Text Block]

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)
2023	$125.2	$317.6	$1.0	$—	$0.7	$588.4
2022	$127.5	$354.0	$1.0	$—	$18.9	$658.8
2021	$109.8	$289.9	$1.4	$—	$64.3	$545.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$585.8	$719.8	$345.2	$302.5	$316.8	$179.0
2022	$617.4	$770.2	$356.1	$341.7	$321.4	$215.0
2021	$559.7	$755.2	$299.8	$287.8	$275.0	$190.8

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2023	$0.7	$303.2	$0.2	$1.0	$1.8	$0.6
2022	$0.1	$186.1	$0.1	$0.1	$0.3	$0.3
2021	$—	$127.6	$—	$—	$—	$—