Consolidated Statements Of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
OPERATING ACTIVITIES
Consolidated net income	[1]	$ 385,059	$ 499,420
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		1,027,609	1,042,671
Deferred income taxes, investment tax credits, and non-current taxes accrued		88,732	(324,227)
Impairment of Long-Lived Assets Held-for-use		51,503	220,828
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property		0	(16,270)
Changes in working capital:
Receivables		(45,515)	6,091
Fuel inventory		8,512	6,213
Accounts payable		97,464	9,687
Taxes accrued		(8,092)	(2,202)
Interest accrued		(2,056)	(3,947)
Deferred fuel costs		(132,263)	(127,945)
Other working capital accounts		(134,982)	(91,505)
Changes in provisions for estimated losses		27,443	(7,340)
Changes in other regulatory assets		106,712	62,612
Increase (Decrease) in Regulatory Liabilities		(247,239)	(8,250)
Changes in pensions and other postretirement liabilities		(181,278)	(180,346)
Other Noncash Income (Expense)		38,314	(265,807)
Net cash flow provided by operating activities		1,079,923	819,683
INVESTING ACTIVITIES
Construction/capital expenditures		(1,885,419)	(1,719,712)
Allowance for equity funds used during construction		60,335	41,877
Nuclear fuel purchases		(90,321)	(209,756)
Payments for Nuclear Fuel		(90,321)	(209,756)
Payments to storm reserve escrow account		(2,744)	(1,124)
Receipts from storm reserve escrow account		0	8,836
Decrease (increase) in other investments		(10,769)	1,705
Proceeds from Sale of Productive Assets		9,163	100,000
Proceeds from nuclear decommissioning trust fund sales		1,801,170	1,462,698
Investment in nuclear decommissioning trust funds		(1,826,384)	(1,516,406)
Litigation proceeds for reimbursement of spent nuclear fuel storage costs		0	25,493
Proceeds from insurance		10,523	26,157
Changes in securitization account		4,754	10,028
Net cash flow used in investing activities		(1,929,692)	(1,770,204)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		3,359,193	1,036,529
Common stock and treasury stock		3,691	7,819
Retirement of long-term debt		(2,569,131)	(866,337)
Changes in credit borrowings and commercial paper - net		405,795	833,957
Dividends paid:
Common stock		(321,821)	(312,209)
Preferred stock	[1]	(6,878)	(6,892)
Other		10,434	4,305
Net cash flow provided by financing activities		881,283	697,172
Net increase (decrease) in cash and cash equivalents		31,514	(253,349)
Cash and cash equivalents at beginning of period		781,273	1,187,844
Cash and cash equivalents at end of period		812,787	934,495
Cash paid / (received) during the period for:
Interest - net of amount capitalized		362,629	334,555
Income taxes		14,145	(14,673)
Entergy Arkansas [Member]
OPERATING ACTIVITIES
Consolidated net income		118,811	52,854
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		221,935	198,082
Deferred income taxes, investment tax credits, and non-current taxes accrued		(32,906)	38,005
Changes in working capital:
Receivables		(6,091)	12,092
Fuel inventory		12,289	(1,602)
Accounts payable		(25,035)	(29,109)
Taxes accrued		66,500	937
Interest accrued		1,260	1,816
Deferred fuel costs		(5,896)	(48,442)
Other working capital accounts		(8,750)	(32,055)
Changes in provisions for estimated losses		12,453	7,457
Changes in other regulatory assets		8,587	(5,592)
Increase (Decrease) in Regulatory Liabilities		(111,600)	24,890
Changes in pensions and other postretirement liabilities		(37,601)	(40,637)
Other Noncash Income (Expense)		12,639	12,465
Net cash flow provided by operating activities		226,595	191,161
INVESTING ACTIVITIES
Construction/capital expenditures		(350,429)	(381,197)
Allowance for equity funds used during construction		8,732	10,198
Change in money pool receivable - net		(57,708)	0
Nuclear fuel purchases		(23,342)	(92,927)
Payments for Nuclear Fuel		(23,342)	(92,927)
Proceeds from sale of nuclear fuel		30,907	51,029
Proceeds from nuclear decommissioning trust fund sales		121,440	167,329
Investment in nuclear decommissioning trust funds		(128,598)	(173,324)
Proceeds from insurance		7,043	0
Changes in securitization account		(279)	571
Net cash flow used in investing activities		(392,234)	(418,321)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		464,544	222,937
Retirement of long-term debt		(206,843)	(6,799)
Change in money pool payable - net		(166,137)	(37,563)
Changes in credit borrowings and commercial paper - net		(49,974)	31,436
Dividends paid:
Preferred stock		(714)	(714)
Other		1,615	431
Net cash flow provided by financing activities		392,491	209,728
Net increase (decrease) in cash and cash equivalents		226,852	(17,432)
Cash and cash equivalents at beginning of period		6,216	20,509
Cash and cash equivalents at end of period		233,068	3,077
Cash paid / (received) during the period for:
Interest - net of amount capitalized		56,900	51,232
Proceeds from Contributions from Parent		350,000	0
Entergy Louisiana [Member]
OPERATING ACTIVITIES
Consolidated net income		295,952	218,857
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		323,188	300,805
Deferred income taxes, investment tax credits, and non-current taxes accrued		119,378	220,492
Changes in working capital:
Receivables		(23,815)	950
Fuel inventory		(2,581)	4,534
Accounts payable		17,324	42,079
Taxes accrued		(56,076)	52,686
Interest accrued		790	(2,883)
Deferred fuel costs		(68,741)	(74,113)
Other working capital accounts		(6,053)	(61,515)
Changes in provisions for estimated losses		5,803	(6,108)
Changes in other regulatory assets		42,203	39,711
Increase (Decrease) in Regulatory Liabilities		(8,811)	(64,293)
Changes in pensions and other postretirement liabilities		(32,970)	(38,175)
Other Noncash Income (Expense)		(22,399)	(99,272)
Net cash flow provided by operating activities		583,192	533,755
INVESTING ACTIVITIES
Construction/capital expenditures		(880,785)	(755,158)
Allowance for equity funds used during construction		36,869	21,099
Change in money pool receivable - net		4,394	(33,039)
Nuclear fuel purchases		(14,740)	(156,246)
Payments for Nuclear Fuel		(14,740)	(156,246)
Proceeds from sale of nuclear fuel		36,301	28,884
Payments to storm reserve escrow account		(1,984)	(802)
Receipts from storm reserve escrow account		0	8,836
Proceeds from nuclear decommissioning trust fund sales		169,407	125,600
Investment in nuclear decommissioning trust funds		(189,721)	(144,768)
Proceeds from insurance		3,480	5,305
Changes in securitization account		(1,423)	79
Net cash flow used in investing activities		(838,202)	(900,210)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		1,088,941	532,219
Retirement of long-term debt		(744,222)	(101,789)
Changes in credit borrowings and commercial paper - net		(43,540)	30,696
Dividends paid:
Common stock		(56,000)	(91,250)
Other		2,952	(1,988)
Net cash flow provided by financing activities		248,131	367,888
Net increase (decrease) in cash and cash equivalents		(6,879)	1,433
Cash and cash equivalents at beginning of period		35,907	213,850
Cash and cash equivalents at end of period		29,028	215,283
Cash paid / (received) during the period for:
Interest - net of amount capitalized		138,625	134,513
Income taxes		(2,973)	(116,937)
Entergy Mississippi [Member]
OPERATING ACTIVITIES
Consolidated net income		61,085	45,461
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		76,541	70,759
Deferred income taxes, investment tax credits, and non-current taxes accrued		29,577	31,740
Changes in working capital:
Receivables		(32,365)	(7,952)
Fuel inventory		(977)	6,312
Accounts payable		29,476	(1,398)
Taxes accrued		(45,736)	(21,361)
Interest accrued		(3,792)	40
Deferred fuel costs		6,532	(13,622)
Other working capital accounts		(9,698)	(1,473)
Changes in provisions for estimated losses		7,242	(6,699)
Changes in other regulatory assets		(666)	(26,958)
Increase (Decrease) in Regulatory Liabilities		(127,047)	(4,237)
Changes in pensions and other postretirement liabilities		(9,336)	(10,692)
Other Noncash Income (Expense)		125,982	(6,081)
Net cash flow provided by operating activities		106,818	53,839
INVESTING ACTIVITIES
Construction/capital expenditures		(187,219)	(199,873)
Allowance for equity funds used during construction		4,100	4,175
Change in money pool receivable - net		1,633	10,595
Decrease (increase) in other investments		(863)	(584)
Net cash flow used in investing activities		(182,349)	(185,687)
Proceeds from the issuance of:
Change in money pool payable - net		63,394	56,299
Dividends paid:
Preferred stock		(477)	(477)
Other		6,536	(86)
Net cash flow provided by financing activities		69,453	55,736
Net increase (decrease) in cash and cash equivalents		(6,078)	(76,112)
Cash and cash equivalents at beginning of period		6,096	76,834
Cash and cash equivalents at end of period		18	722
Cash paid / (received) during the period for:
Interest - net of amount capitalized		30,490	24,021
Income taxes		0	(15,087)
Entergy New Orleans [Member]
OPERATING ACTIVITIES
Consolidated net income		29,151	25,860
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		27,697	26,070
Deferred income taxes, investment tax credits, and non-current taxes accrued		22,813	14,764
Changes in working capital:
Receivables		(10,930)	(5,979)
Fuel inventory		1,833	(465)
Accounts payable		5,073	(8,761)
Taxes accrued		(10,602)	38
Interest accrued		(459)	(469)
Deferred fuel costs		(27,056)	2,087
Other working capital accounts		(9,524)	(11,774)
Changes in provisions for estimated losses		438	(1,794)
Changes in other regulatory assets		11,957	2,719
Increase (Decrease) in Regulatory Liabilities		3,042	(610)
Changes in pensions and other postretirement liabilities		(7,725)	(8,049)
Other Noncash Income (Expense)		(1,769)	3,113
Net cash flow provided by operating activities		33,939	36,750
INVESTING ACTIVITIES
Construction/capital expenditures		(85,324)	(48,683)
Allowance for equity funds used during construction		2,068	1,002
Change in money pool receivable - net		12,723	(1,745)
Payments to storm reserve escrow account		(544)	(235)
Receipts from storm reserve escrow account		3	0
Changes in securitization account		(11)	656
Net cash flow used in investing activities		(71,085)	(49,005)
Proceeds from the issuance of:
Retirement of long-term debt		(5,342)	(5,114)
Change in money pool payable - net		23,080	0
Dividends paid:
Common stock		(14,500)	(24,150)
Preferred stock		0	(482)
Other		1,193	462
Net cash flow provided by financing activities		4,431	(29,284)
Net increase (decrease) in cash and cash equivalents		(32,715)	(41,539)
Cash and cash equivalents at beginning of period		32,741	103,068
Cash and cash equivalents at end of period		26	61,529
Cash paid / (received) during the period for:
Interest - net of amount capitalized		10,483	10,637
Entergy Texas [Member]
OPERATING ACTIVITIES
Consolidated net income		48,139	31,955
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		61,907	57,484
Deferred income taxes, investment tax credits, and non-current taxes accrued		(19,785)	(16,766)
Changes in working capital:
Receivables		(25,987)	(15,969)
Fuel inventory		(1,710)	(4,813)
Accounts payable		906	24,900
Taxes accrued		20,439	23,064
Interest accrued		(678)	(471)
Deferred fuel costs		(37,103)	6,144
Other working capital accounts		9,614	4,132
Changes in provisions for estimated losses		434	83
Changes in other regulatory assets		39,592	45,306
Increase (Decrease) in Regulatory Liabilities		10,072	(2,928)
Changes in pensions and other postretirement liabilities		(13,330)	(13,286)
Other Noncash Income (Expense)		(2,031)	(6,438)
Net cash flow provided by operating activities		90,479	132,397
INVESTING ACTIVITIES
Construction/capital expenditures		(169,856)	(155,755)
Allowance for equity funds used during construction		3,562	2,992
Change in money pool receivable - net		34,902	681
Decrease (increase) in other investments		0	2,431
Changes in securitization account		6,467	8,722
Net cash flow used in investing activities		(124,925)	(140,929)
Proceeds from the issuance of:
Retirement of long-term debt		(39,722)	(38,134)
Change in money pool payable - net		0	39,222
Dividends paid:
Other		(946)	2,328
Net cash flow provided by financing activities		(40,668)	3,416
Net increase (decrease) in cash and cash equivalents		(75,114)	(5,116)
Cash and cash equivalents at beginning of period		115,513	6,181
Cash and cash equivalents at end of period		40,399	1,065
Cash paid / (received) during the period for:
Interest - net of amount capitalized		43,188	42,430
Income taxes		(624)	(1,446)
System Energy [Member]
OPERATING ACTIVITIES
Consolidated net income		45,695	39,697
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		109,682	128,679
Deferred income taxes, investment tax credits, and non-current taxes accrued		7,010	35,498
Changes in working capital:
Receivables		14,093	10,077
Accounts payable		32,681	3,469
Taxes accrued		(7,100)	(10,086)
Interest accrued		785	(609)
Other working capital accounts		(64,758)	2,960
Changes in other regulatory assets		(16,939)	(4,904)
Increase (Decrease) in Regulatory Liabilities		(12,894)	35,708
Changes in pensions and other postretirement liabilities		(6,551)	(8,116)
Other Noncash Income (Expense)		21,056	(60,913)
Net cash flow provided by operating activities		122,760	171,460
INVESTING ACTIVITIES
Construction/capital expenditures		(105,035)	(32,799)
Allowance for equity funds used during construction		5,004	2,412
Change in money pool receivable - net		47,531	(54,860)
Nuclear fuel purchases		(99,164)	(22,510)
Payments for Nuclear Fuel		(99,164)	(22,510)
Proceeds from sale of nuclear fuel		0	60,188
Proceeds from nuclear decommissioning trust fund sales		199,403	253,487
Investment in nuclear decommissioning trust funds		(206,695)	(271,901)
Net cash flow used in investing activities		(158,956)	(65,983)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		99,985	0
Retirement of long-term debt		(50,002)	(50,001)
Changes in credit borrowings and commercial paper - net		21,043	36,289
Dividends paid:
Common stock		(63,240)	0
Other		0	(28)
Net cash flow provided by financing activities		7,786	(13,740)
Net increase (decrease) in cash and cash equivalents		(28,410)	91,737
Cash and cash equivalents at beginning of period		287,187	245,863
Cash and cash equivalents at end of period		258,777	337,600
Cash paid / (received) during the period for:
Interest - net of amount capitalized		$ 8,592	$ 17,656

[1] (a) Consolidated net income and preferred dividend requirements of subsidiaries for 2018 and 2017 include $6.9 million and $6.9 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented within equity.