Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies [Abstract]

Maximum amounts of possible assessments per occurrence

	Assessments
	(In Millions)
Utility:
Entergy Arkansas	$	20.1
Entergy Gulf States Louisiana	$	16.3
Entergy Louisiana	$	19.3
Entergy Mississippi	$	0.07
Entergy New Orleans	$	0.07
Entergy Texas		N/A
System Energy	$	16.3
Entergy Wholesale Commodities	$	—