Transactions With Affiliates (Tables)

12 Months Ended

Dec. 31, 2012

Entergy Arkansas [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7

Entergy Gulf States Louisiana [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7

Entergy Louisiana [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7

Entergy Mississippi [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7

Entergy New Orleans [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7

Entergy Texas [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7

System Energy [Member]

Schedule Of Affiliate Transactions

Intercompany Revenues

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$324.0	$380.6	$138.2	$36.1	$43.9	$313.2	$622.1
2011	$293.8	$574.5	$139.0	$125.1	$96.9	$264.1	$563.4
2010	$307.1	$462.9	$228.0	$59.4	$56.0	$372.8	$558.6

Intercompany Operating Expenses

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
	(1)	(2)	(3)		(4)
2012	$580.7	$532.3	$597.4	$352.7	$247.2	$386.1	$147.4
2011	$752.7	$563.1	$574.0	$337.2	$226.6	$486.6	$131.5
2010	$545.6	$602.7	$483.0	$372.9	$235.8	$519.0	$122.7

(1)	Includes $1.4 million in 2012, $1.2 million in 2011, and $0.1 million in 2010 for power purchased from Entergy Power.
(2)	Includes power purchased from RS Cogen of $2.8 million in 2012, $41.1 million in 2011, and $50.8 million in 2010.
(3)	Includes power purchased from Entergy Power of $14.3 million in 2012, $14.5 million in 2011, and $12.0 million in 2010.
(4)	Includes power purchased from Entergy Power of $14.1 million in 2012, $14.2 million in 2011, and $11.8 million in 2010.

Intercompany Interest and Investment Income

	Entergy Arkansas	Entergy Gulf States Louisiana	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Millions)
2012	$0.0	$28.2	$78.2	$0.0	$0.0	$0.1	$0.0
2011	$0.1	$32.5	$78.1	$0.1	$0.1	$0.0	$0.6
2010	$0.6	$26.5	$67.6	$0.3	$0.2	$0.1	$0.7