Rate and Regulatory Matters (Tables)

9 Months Ended

Sep. 30, 2011

Rate and Regulatory Matters [Abstract]

Payments/receipts among the Utility operating companies to achieve rough production cost equalization

	Payments or
	(Receipts)
	(In Millions)
Entergy Arkansas	$	157
Entergy Gulf States Louisiana	$	(82	)
Entergy Louisiana	$	—
Entergy Mississippi	$	(21	)
Entergy New Orleans	$	—
Entergy Texas	$	(54	)

	Payments or
	(Receipts)
	(In Millions)
Entergy Arkansas	$	77
Entergy Gulf States Louisiana	$	(12	)
Entergy Louisiana	$	—
Entergy Mississippi	$	(40	)
Entergy New Orleans	$	(25	)
Entergy Texas	$	—