Rate And Regulatory Matters (Details Of Other Regulatory Assets Included In Entergy Corporation And Subsidiaries) (Details) (USD $)											1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Entergy Arkansas [Member]	Dec. 31, 2012 Entergy Arkansas [Member]	Dec. 31, 2013 Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Entergy Louisiana [Member]	Dec. 31, 2012 Entergy Louisiana [Member]	Dec. 31, 2013 Entergy Mississippi [Member]	Dec. 31, 2012 Entergy Mississippi [Member]	May 31, 2011 Entergy New Orleans [Member]	Dec. 31, 2013 Entergy New Orleans [Member]	Dec. 31, 2012 Entergy New Orleans [Member]	Dec. 31, 2013 Entergy Texas [Member]	Dec. 31, 2012 Entergy Texas [Member]	Dec. 31, 2013 System Energy [Member]	Dec. 31, 2012 System Energy [Member]	Dec. 31, 2013 Asset Retirement Obligation [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member]		Dec. 31, 2013 Asset Retirement Obligation [Member] Entergy Arkansas [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] Entergy Arkansas [Member]		Dec. 31, 2013 Asset Retirement Obligation [Member] Entergy Gulf States Louisiana [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] Entergy Gulf States Louisiana [Member]		Dec. 31, 2013 Asset Retirement Obligation [Member] Entergy Louisiana [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] Entergy Louisiana [Member]		Dec. 31, 2013 Asset Retirement Obligation [Member] Entergy Mississippi [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] Entergy Mississippi [Member]		Dec. 31, 2010 Asset Retirement Obligation [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Asset Retirement Obligation [Member] Entergy New Orleans [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] Entergy New Orleans [Member]		Dec. 31, 2013 Asset Retirement Obligation [Member] Entergy Texas [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] Entergy Texas [Member]		Dec. 31, 2013 Asset Retirement Obligation [Member] System Energy [Member]		Dec. 31, 2012 Asset Retirement Obligation [Member] System Energy [Member]		Dec. 31, 2013 Deferred Capacity [Member]	Dec. 31, 2012 Deferred Capacity [Member]	Dec. 31, 2013 Deferred Capacity [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Deferred Capacity [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Grand Gulf Fuel - Non-current And Power Management Rider [Member]	Dec. 31, 2012 Grand Gulf Fuel - Non-current And Power Management Rider [Member]	Dec. 31, 2013 Grand Gulf Fuel - Non-current And Power Management Rider [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Grand Gulf Fuel - Non-current And Power Management Rider [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Grand Gulf Fuel - Non-current And Power Management Rider [Member] Entergy Mississippi [Member]	Dec. 31, 2012 Grand Gulf Fuel - Non-current And Power Management Rider [Member] Entergy Mississippi [Member]	Dec. 31, 2013 New Nuclear Generation Development Costs [Member]	Dec. 31, 2012 New Nuclear Generation Development Costs [Member]	Dec. 31, 2013 New Nuclear Generation Development Costs [Member] Entergy Mississippi [Member]	Dec. 31, 2012 New Nuclear Generation Development Costs [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Gas Hedging Costs [Member]	Dec. 31, 2012 Gas Hedging Costs [Member]	Dec. 31, 2013 Gas Hedging Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Gas Hedging Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Gas Hedging Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Gas Hedging Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Gas Hedging Costs [Member] Entergy Mississippi [Member]	Dec. 31, 2012 Gas Hedging Costs [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Pension And Post Retirement Costs [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] Entergy Gulf States Louisiana [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] Entergy Gulf States Louisiana [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] Entergy Louisiana [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] Entergy Louisiana [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] Entergy Mississippi [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] Entergy Mississippi [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] Entergy New Orleans [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] Entergy New Orleans [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] Entergy Texas [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] Entergy Texas [Member]		Dec. 31, 2013 Pension And Post Retirement Costs [Member] System Energy [Member]		Dec. 31, 2012 Pension And Post Retirement Costs [Member] System Energy [Member]		Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member]	Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Mississippi [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy New Orleans [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy New Orleans [Member]	Dec. 31, 2013 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Texas [Member]	Dec. 31, 2012 Provision For Storm Damages, Including Hurricane Costs [Member] Entergy Texas [Member]	Dec. 31, 2013 Removal Costs [Member]		Dec. 31, 2012 Removal Costs [Member]		Dec. 31, 2013 Removal Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2012 Removal Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2013 Removal Costs [Member] Entergy Mississippi [Member]		Dec. 31, 2012 Removal Costs [Member] Entergy Mississippi [Member]		Dec. 31, 2013 Removal Costs [Member] Entergy New Orleans [Member]		Dec. 31, 2012 Removal Costs [Member] Entergy New Orleans [Member]		Dec. 31, 2013 Removal Costs [Member] Entergy Texas [Member]		Dec. 31, 2012 Removal Costs [Member] Entergy Texas [Member]		Dec. 31, 2013 Removal Costs [Member] System Energy [Member]		Dec. 31, 2012 Removal Costs [Member] System Energy [Member]		Dec. 31, 2013 River Bend AFUDC [Member]	Dec. 31, 2012 River Bend AFUDC [Member]	Dec. 31, 2013 River Bend AFUDC [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 River Bend AFUDC [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Nuclear Generation Development Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Nuclear Generation Development Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Nuclear Generation Development Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Nuclear Generation Development Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Spindletop Gas Storage Facility [Member]		Dec. 31, 2012 Spindletop Gas Storage Facility [Member]		Dec. 31, 2013 Spindletop Gas Storage Facility [Member] Entergy Gulf States Louisiana [Member]		Dec. 31, 2012 Spindletop Gas Storage Facility [Member] Entergy Gulf States Louisiana [Member]		Dec. 31, 2013 Transition To Competition Costs [Member]	Dec. 31, 2012 Transition To Competition Costs [Member]	Dec. 31, 2013 Transition To Competition Costs [Member] Entergy Texas [Member]	Dec. 31, 2012 Transition To Competition Costs [Member] Entergy Texas [Member]	Dec. 31, 2013 Little Gypsy Cost Proceeding [Member]	Dec. 31, 2012 Little Gypsy Cost Proceeding [Member]	Dec. 31, 2013 Little Gypsy Cost Proceeding [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Little Gypsy Cost Proceeding [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Incremental Ice Storm Costs [Member]	Dec. 31, 2012 Incremental Ice Storm Costs [Member]	Dec. 31, 2013 Incremental Ice Storm Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Incremental Ice Storm Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Michoud Plant Maintenance [Member]	Dec. 31, 2012 Michoud Plant Maintenance [Member]	Dec. 31, 2013 Michoud Plant Maintenance [Member] Entergy New Orleans [Member]	Dec. 31, 2012 Michoud Plant Maintenance [Member] Entergy New Orleans [Member]	Dec. 31, 2013 MISO Costs [Member]	Dec. 31, 2012 MISO Costs [Member]	Dec. 31, 2013 MISO Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2012 MISO Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2013 MISO Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 MISO Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 MISO Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2012 MISO Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Human Capital Management Costs [Member]	Dec. 31, 2012 Human Capital Management Costs [Member]	Dec. 31, 2013 Human Capital Management Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2012 Human Capital Management Costs [Member] Entergy Arkansas [Member]		Dec. 31, 2013 Human Capital Management Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Human Capital Management Costs [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Human Capital Management Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Human Capital Management Costs [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Energy Efficiency Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Energy Efficiency Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Transmission Facility Operation and Maintenance Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Transmission Facility Operation and Maintenance Costs [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] Entergy Mississippi [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] Entergy New Orleans [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] Entergy New Orleans [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] Entergy Texas [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] Entergy Texas [Member]	Dec. 31, 2013 Unamortized Loss on Reacquired Debt [Member] System Energy [Member]	Dec. 31, 2012 Unamortized Loss on Reacquired Debt [Member] System Energy [Member]	Dec. 31, 2013 Other [Member]	Dec. 31, 2012 Other [Member]	Dec. 31, 2013 Other [Member] Entergy Arkansas [Member]	Dec. 31, 2012 Other [Member] Entergy Arkansas [Member]	Dec. 31, 2013 Other [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2012 Other [Member] Entergy Gulf States Louisiana [Member]	Dec. 31, 2013 Other [Member] Entergy Louisiana [Member]	Dec. 31, 2012 Other [Member] Entergy Louisiana [Member]	Dec. 31, 2013 Other [Member] Entergy Mississippi [Member]	Dec. 31, 2012 Other [Member] Entergy Mississippi [Member]	Dec. 31, 2013 Other [Member] Entergy New Orleans [Member]	Dec. 31, 2012 Other [Member] Entergy New Orleans [Member]	Dec. 31, 2013 Other [Member] Entergy Texas [Member]	Dec. 31, 2012 Other [Member] Entergy Texas [Member]	Dec. 31, 2013 Other [Member] System Energy [Member]	Dec. 31, 2012 Other [Member] System Energy [Member]
Details of Other regulatory assets [Abstract]
Other Regulatory Assets	$ 3,893,363,000	$ 5,025,912,000	$ 1,014,392,000	$ 1,221,636,000	$ 321,466,000	$ 409,653,000	$ 715,503,000	$ 913,562,000	$ 318,462,000	$ 401,471,000		$ 137,191,000	$ 202,003,000	$ 919,234,000	$ 1,114,536,000	$ 261,740,000	$ 330,074,000	$ 447,600,000	[1]	$ 422,600,000	[1]	$ 225,900,000	[1]	$ 210,200,000	[1]	$ 11,000,000	[1]	$ 6,100,000	[1]	$ 139,200,000	[1]	$ 136,900,000	[1]	$ 5,900,000	[1]	$ 5,600,000	[1]	$ 5,600,000	$ 3,700,000	[1]	$ 3,600,000	[1]	$ 1,100,000	[1]	$ 1,200,000	[1]	$ 60,800,000	[1]	$ 58,900,000	[1]	$ 1,200,000	$ 6,800,000	$ 1,200,000	$ 6,800,000	$ 56,800,000	$ 35,100,000	$ 23,500,000	$ 17,300,000	$ 33,300,000	$ 17,800,000	$ 115,200,000	$ 56,800,000	$ 56,200,000	$ 56,800,000	$ 0	$ 8,300,000	$ 0	$ 2,600,000	$ 0	$ 3,400,000	$ 0	$ 2,200,000	$ 1,723,100,000	[1]	$ 2,866,300,000	[1]	$ 517,100,000	[1]	$ 831,200,000	[1]	$ 194,200,000	[1]	$ 300,500,000	[1]	$ 318,400,000	[1]	$ 475,600,000	[1]	$ 135,300,000	[1]	$ 234,600,000	[1]	$ 76,800,000	[1]	$ 134,600,000	[1]	$ 143,000,000	[1]	$ 258,800,000	[1]	$ 132,900,000	[1]	$ 198,200,000	[1]	$ 786,800,000	$ 970,800,000	$ 115,200,000	$ 115,200,000	$ 0	$ 18,900,000	$ 3,400,000	$ 74,500,000	$ 0	$ 9,200,000	$ 4,600,000	$ 15,100,000	$ 663,600,000	$ 737,900,000	$ 188,900,000	[1]	$ 155,700,000	[1]	$ 18,600,000	[1]	$ 0	[1]	$ 64,300,000	[1]	$ 57,400,000	[1]	$ 34,900,000	[1]	$ 29,900,000	[1]	$ 15,100,000	[1]	$ 11,500,000	[1]	$ 56,000,000	[1]	$ 56,800,000	[1]	$ 20,500,000	$ 22,400,000	$ 20,500,000	$ 22,400,000	$ 29,500,000	$ 0	$ 29,500,000	$ 0	$ 27,800,000	[2]	$ 29,400,000	[2]	$ 27,800,000	[2]	$ 29,400,000	[2]	$ 74,400,000	$ 82,100,000	$ 74,400,000	$ 82,100,000	$ 160,600,000	$ 177,600,000	$ 160,600,000	$ 177,600,000	$ 9,500,000	$ 10,000,000	$ 9,500,000	$ 10,000,000	$ 9,100,000	$ 11,000,000	$ 9,100,000	$ 11,000,000	$ 74,700,000	$ 23,800,000	$ 30,900,000	[3]	$ 1,100,000	[3]	$ 15,300,000	$ 9,000,000	$ 20,800,000	$ 11,800,000	$ 45,000,000	$ 0	$ 22,000,000	[3]	$ 0	[3]	$ 10,000,000	$ 0	$ 13,000,000	$ 0	$ 12,500,000	$ 2,400,000	$ 8,700,000	$ 0	$ 83,000,000	$ 95,900,000	$ 28,800,000	$ 31,500,000	$ 8,300,000	$ 9,900,000	$ 15,200,000	$ 17,600,000	$ 8,900,000	$ 9,600,000	$ 2,000,000	$ 2,300,000	$ 7,700,000	$ 9,400,000	$ 12,000,000	$ 15,600,000	$ 69,200,000	$ 51,300,000	$ 1,700,000	$ 2,700,000	$ 3,700,000	$ 4,100,000	$ 15,400,000	$ 16,200,000	$ 14,600,000	$ 8,300,000	$ 6,100,000	$ 5,500,000	$ 14,300,000	$ 13,600,000	$ 0	$ 600,000
Gas base rate decrease value											1,100,000
Accumulated deferred income taxes - current	$ 28,307,000	$ 13,109,000	$ 9,231,000	$ 5,927,000	$ 36,330,000	$ 22,249,000	$ 338,000	$ 0	$ 15,413,000	$ 218,000				$ 33,847,000	$ 0	$ 2,310,000	$ 1,789,000

[1] Does not earn a return on investment, but is offset by related liabilities.

[2] The jurisdictional split order assigned the regulatory asset to Entergy Texas. The regulatory asset, however, is being recovered and amortized at Entergy Gulf States Louisiana. As a result, a billing occurs monthly over the same term as the recovery and receipts will be submitted to Entergy Texas. Entergy Texas has recorded a receivable from Entergy Gulf States Louisiana and Entergy Gulf States Louisiana has recorded a corresponding payable.

[3] Does not earn a return on investment.