Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Financial Information For Stock Options

	2012	2011	2010
	(In Millions)
Compensation expense included in Entergy's Consolidated Net Income	$7.7	$10.4	$15.0
Tax benefit recognized in Entergy's Consolidated Net Income	$3.0	$4.0	$5.8
Compensation cost capitalized as part of fixed assets and inventory	$1.5	$2.0	$2.9

Schedule of Weighted Average Assumptions

	2012	2011	2010
Stock price volatility	25.11%	24.25%	25.73%
Expected term in years	6.55	6.64	5.46
Risk-free interest rate	1.22%	2.70%	2.57%
Dividend yield	4.50%	4.20%	3.74%
Dividend payment per share	$3.32	$3.32	$3.24

Schedule of Stock Option Activity

	Number of Options	Weighted- Average Exercise Price	Aggregate Intrinsic Value	Weighted- Average Contractual Life
Options outstanding as of January 1, 2012	10,459,418	$75.46
Options granted	552,400	$71.30
Options exercised	(1,407,159)	$44.46
Options forfeited/expired	(46,313)	$76.83
Options outstanding as of December 31, 2012	9,558,346	$79.77	$-	4.6 years
Options exercisable as of December 31, 2012	8,442,157	$80.61	$-	5.1 years
Weighted-average grant-date fair value of options granted during 2012	$9.42

Schedule of Stock Options Outstanding

	Options Outstanding			Options Exercisable
Range of Exercise Prices	As of 12/31/2012	Weighted-Avg. Remaining Contractual Life-Yrs.	Weighted- Avg. Exercise Price	Number Exercisable as of 12/31/2012	Weighted- Avg. Exercise Price
$37 - $50.99	177,046	0.1	$44.45	177,046	$44.45
$51 - $64.99	858,997	1.2	$58.60	858,997	$58.60
$65 - $78.99	5,419,319	5.3	$72.91	4,303,130	$72.77
$79 - $91.99	1,622,984	4.1	$91.82	1,622,984	$91.82
$92 - $108.20	1,480,000	5.1	$108.20	1,480,000	$108.20
$37 - $108.20	9,558,346	4.6	$79.77	8,442,157	$80.61

Restricted Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Financial Information For Stock Options

	2012	2011	2010
	(In Millions)
Compensation expense included in Entergy's Consolidated Net Income	$11.4	$3.9	$-
Tax benefit recognized in Entergy's Consolidated Net Income	$4.4	$1.5	$-
Compensation cost capitalized as part of fixed assets and inventory	$2.0	$0.7	$-

Long-Term Incentive Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Financial Information For Stock Options

	2012	2011	2010
	(In Millions)
Fair value of long-term performance units as of December 31,	$4.3	$7.3	$10.1
Compensation expense included in Entergy's Consolidated Net Income	($5.0)	$0.7	($0.9)
Tax benefit (expense) recognized in Entergy's Consolidated Net Income	($1.9)	$0.3	($0.4)
Compensation cost capitalized as part of fixed assets and inventory	($0.9)	$0.1	$0.1

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Financial Information For Stock Options

	2012	2011	2010
	(In Millions)
Fair value of restricted awards as of December 31,	$3.0	$6.6	$8.3
Compensation expense included in Entergy's Consolidated Net Income	$1.3	$3.7	$3.9
Tax benefit recognized in Entergy's Consolidated Net Income	$0.5	$1.4	$1.5
Compensation cost capitalized as part of fixed assets and inventory	$0.2	$0.7	$0.9