2.0.0.10 false PROPERTY, PLANT, AND EQUIPMENT 006101 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT true false false false 1 usd $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 Notes to Financial Statements [Abstract] 0 etr_NotesToFinancialStatementsAbstract etr false na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false No definition available. false 3 Property, plant, and Equipment 1 us-gaap_PropertyPlantAndEquipmentTextBlock us-gaap true na duration string No definition available. false false false false false false false false false false false false 1 false false false false 0 0 <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">NOTE 11.  PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy)</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="MARGIN-LEFT: 36pt"></font>Construction expenditures included in accounts payable at March 31, 2010 is $128.2 million for Entergy, $13.2 million for Entergy Arkansas, $13.3 million for Entergy Gulf States Louisiana, $26.0 million for Entergy Louisiana, $3.0 million for Entergy Mississippi, $22 thousand for Entergy New Orleans, $4.4 million for Entergy Texas, and $18.2 million for System Energy.  Nuclear fuel purchases included in accounts payable at March 31, 2010 is $112.7 million for Entergy and System Energy.</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br /></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="MARGIN-LEFT: 36pt"></font>Entergy's Non-Utility Nuclear business currently has pending applications for license renewals for the Vermont Yankee, Pilgrim, Indian Point 2, and Indian Point 3 power plants.  In addition, for Vermont Yankee the state certificates of public good to operate the plant and store spent nuclear fuel also expire in 2012.  Non-Utility Nuclear filed an application with the Vermont Public Service Board on March 3, 2008 for approval of continued operations and storage of spent nuclear fuel generated after March 21, 2012.  Under Vermont law the Vermont General Assembly approval of Non-Utility Nuclear's request is required for the request to be granted.  On February 24, 2010, a bill to approve the continued operation of Vermont Yankee was advanced to a vote in the Vermont Senate and defeated by a margin of 26 to 4.  This vote does not preclude the Vermont Senate from voting again on a similar bill in the future.  If all necessary approvals to operate Vermont Yankee beyond its current license expiration are not received, it could result in an impairment of part or all of the carrying value of the plant, including any capitalized asset retirement cost associated with the recording of the decommissioning liability.  Decommissioning liabilities are further described in Note 9 to the financial statements in the Form 10-K.</font></div> NOTE 11.  PROPERTY, PLANT, AND EQUIPMENT (Entergy Corporation, Entergy Arkansas, Entergy Gulf States Louisiana, Entergy Louisiana, Entergy false false false Disclosure of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, building and production equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 false false 1 2 false UnKnown UnKnown UnKnown false true