Dispositions Dispositions	3 Months Ended
Mar. 31, 2017
Business Acquisition [Line Items]
Acquisitions and Dispositions [Text Block]	DISPOSITIONS (Entergy Corporation) In March 2017 the NRC approved the sale of the FitzPatrick plant, an 838 MW nuclear power plant owned by Entergy in the Entergy Wholesale Commodities segment, to Exelon. The transaction closed in March 2017 for a purchase price of $110 million, including the $10 million non-refundable signing fee paid in August 2016, in addition to the assumption by Exelon of certain liabilities related to the FitzPatrick plant, resulting in a pre-tax gain on the sale of $16 million. At the transaction close, Exelon paid an additional $8 million for the proration of certain expenses prepaid by Entergy. As discussed in Note 10 to the financial statements herein, as a result of the sale of FitzPatrick on March 31, 2017, Entergy re-determined the plant’s tax basis, resulting in a $44 million income tax benefit. The assets and liabilities associated with the sale of FitzPatrick to Exelon were classified as held for sale on Entergy Corporation and Subsidiaries’ Consolidated Balance Sheet as of December 31, 2016. The disposition-date fair value of the decommissioning trust fund was $805 million, classified within other deferred debits, and the disposition-date fair value of the asset retirement obligation was $727 million, classified within other non-current liabilities. The transaction also included property, plant, and equipment with a net book value of zero, materials and supplies, and prepaid assets. As discussed in Note 14 to the financial statements in the Form 10-K, Entergy entered into a reimbursement agreement with Exelon pursuant to which Exelon reimburses Entergy for specified out-of-pocket costs associated with the operation of FitzPatrick. In the first quarter 2017, Entergy billed Exelon for reimbursement of $98 million of other operation and maintenance expenses, $7 million in lost operating revenues, and $3 million in taxes other than income taxes, partially offset by a $10 million defueling credit to Exelon.

DISPOSITIONS (Entergy Corporation)

In March 2017 the NRC approved the sale of the FitzPatrick plant, an 838 MW nuclear power plant owned by Entergy in the Entergy Wholesale Commodities segment, to Exelon. The transaction closed in March 2017 for a purchase price of $110 million, including the $10 million non-refundable signing fee paid in August 2016, in addition to the assumption by Exelon of certain liabilities related to the FitzPatrick plant, resulting in a pre-tax gain on the sale of $16 million. At the transaction close, Exelon paid an additional $8 million for the proration of certain expenses prepaid by Entergy.

As discussed in Note 10 to the financial statements herein, as a result of the sale of FitzPatrick on March 31, 2017, Entergy re-determined the plant’s tax basis, resulting in a $44 million income tax benefit.

The assets and liabilities associated with the sale of FitzPatrick to Exelon were classified as held for sale on Entergy Corporation and Subsidiaries’ Consolidated Balance Sheet as of December 31, 2016. The disposition-date fair value of the decommissioning trust fund was $805 million, classified within other deferred debits, and the disposition-date fair value of the asset retirement obligation was $727 million, classified within other non-current liabilities. The transaction also included property, plant, and equipment with a net book value of zero, materials and supplies, and prepaid assets.

As discussed in Note 14 to the financial statements in the Form 10-K, Entergy entered into a reimbursement agreement with Exelon pursuant to which Exelon reimburses Entergy for specified out-of-pocket costs associated with the operation of FitzPatrick. In the first quarter 2017, Entergy billed Exelon for reimbursement of $98 million of other operation and maintenance expenses, $7 million in lost operating revenues, and $3 million in taxes other than income taxes, partially offset by a $10 million defueling credit to Exelon.