Long - Term Debt (Schedule Of Senior Secured Transition Bonds) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2007	Nov. 30, 2009
Debt Instrument [Line Items]
Bonds issued to recover cost	$ 784,862	$ 883,013
Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	565,659	629,087
Hurricane Rita [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	329,500		329,500
Hurricane Ike And Hurricane Gustav [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	545,900			545,900
Tranche A-1 (2.12%) Due February 2016 [Member] | Hurricane Ike And Hurricane Gustav [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	182,500
Coupon rate of senior secured transition bonds	2.12%
Tranche A-1 (5.51%) Due October 2013 [Member] | Hurricane Rita [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	93,500
Coupon rate of senior secured transition bonds	5.51%
Tranche A-2 (3.65%) Due August 2019 [Member] | Hurricane Ike And Hurricane Gustav [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	144,800
Coupon rate of senior secured transition bonds	3.65%
Tranche A-2 (5.79%) Due October 2018 [Member] | Hurricane Rita [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	121,600
Coupon rate of senior secured transition bonds	5.79%
Tranche A-3 (5.93%) Due June 2022 [Member] | Hurricane Rita [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	114,400
Coupon rate of senior secured transition bonds	5.93%
Tranche A-3 (4.38%) Due November 2023 [Member] | Hurricane Ike And Hurricane Gustav [Member] | Entergy Texas [Member]
Debt Instrument [Line Items]
Bonds issued to recover cost	$ 218,600
Coupon rate of senior secured transition bonds	4.38%