Income Taxes	6 Months Ended
Jun. 30, 2015
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
Entergy Arkansas [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
Entergy Gulf States Louisiana [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
Entergy Louisiana [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
Entergy Mississippi [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
Entergy New Orleans [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
Entergy Texas [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.
System Energy [Member]
Income Taxes	INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion. The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.

Income Taxes

INCOME TAXES (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)

See “Income Tax Litigation”, “Income Tax Audits”, and “Other Tax Matters” in Note 3 to the financial statements in the Form 10-K for a discussion of income tax proceedings, income tax audits, and other income tax matters involving Entergy. Following is an update to that discussion.

The IRS finalized tax and interest computations from the 2006-2007 audit in the first quarter 2015 that resulted in a reduction in Entergy's income tax expense of approximately $20 million, including decreases in income tax expense of approximately $4 million for Entergy Arkansas, $5 million for Entergy Gulf States Louisiana, $6 million for Entergy Louisiana, and $1 million for System Energy.