Consolidated Statements Of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES
Consolidated net income	[1]	$ 924,877	$ 901,064
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		1,517,344	1,561,565
Deferred income taxes, investment tax credits, and non-current taxes accrued		82,641	(90,607)
Impairment of Long-Lived Assets Held-for-use		210,263	241,838
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property		0	(16,270)
Changes in working capital:
Receivables		(153,703)	(198,029)
Fuel inventory		49,728	20,746
Accounts payable		79,949	(75,962)
Taxes accrued		43,510	66,895
Interest accrued		(9,398)	(6,111)
Deferred fuel costs		(25,284)	(117,636)
Other working capital accounts		(86,063)	(81,779)
Changes in provisions for estimated losses		28,599	(10,073)
Changes in other regulatory assets		207,135	117,430
Increase (Decrease) in Regulatory Liabilities		(413,684)	22,124
Changes in pensions and other postretirement liabilities		(345,526)	(354,297)
Other Noncash Income (Expense)		(250,884)	(268,147)
Net cash flow provided by operating activities		1,859,504	1,712,751
INVESTING ACTIVITIES
Construction/capital expenditures		(2,883,047)	(2,622,104)
Allowance for equity funds used during construction		92,829	66,437
Nuclear fuel purchases		(170,819)	(226,054)
Payments for Nuclear Fuel		(170,819)	(226,054)
Payments to storm reserve escrow account		(4,515)	(1,925)
Receipts from storm reserve escrow account		0	8,836
Increase in other investments		(36,140)	(112,217)
Proceeds from Sale of Productive Assets		12,915	100,000
Proceeds from nuclear decommissioning trust fund sales		4,177,919	1,902,783
Investment in nuclear decommissioning trust funds		(4,187,161)	(1,988,634)
Litigation proceeds for reimbursement of spent nuclear fuel storage costs		0	25,493
Proceeds from insurance		10,523	26,157
Changes in securitization account		(12,985)	(6,494)
Net cash flow used in investing activities		(3,000,481)	(2,827,722)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		5,604,131	1,222,606
Common stock and treasury stock		24,646	15,121
Retirement of long-term debt		(4,181,820)	(1,222,915)
Changes in credit borrowings and commercial paper - net		368,370	937,677
Dividends paid:
Common stock		(482,865)	(468,396)
Preferred stock	[1]	(10,317)	(10,338)
Other		25,540	(337)
Net cash flow provided by financing activities		1,347,685	473,418
Net increase (decrease) in cash and cash equivalents		206,708	(641,553)
Cash and cash equivalents at beginning of period		781,273	1,187,844
Cash and cash equivalents at end of period		987,981	546,291
Cash paid / (received) during the period for:
Interest - net of amount capitalized		558,381	507,912
Income taxes		18,200	(11,883)
Entergy Arkansas [Member]
OPERATING ACTIVITIES
Consolidated net income		247,701	145,492
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		335,939	311,725
Deferred income taxes, investment tax credits, and non-current taxes accrued		28,463	78,390
Changes in working capital:
Receivables		(33,422)	(45,180)
Fuel inventory		7,523	10,089
Accounts payable		(20,904)	(78,396)
Taxes accrued		30,686	15,367
Interest accrued		13,558	12,436
Deferred fuel costs		24,463	(53,664)
Other working capital accounts		(8,827)	(6,762)
Changes in provisions for estimated losses		10,013	10,094
Changes in other regulatory assets		22,574	(4,680)
Increase (Decrease) in Regulatory Liabilities		(218,518)	43,473
Changes in pensions and other postretirement liabilities		(64,461)	(73,107)
Other Noncash Income (Expense)		(12,203)	2,274
Net cash flow provided by operating activities		362,585	367,551
INVESTING ACTIVITIES
Construction/capital expenditures		(517,882)	(558,985)
Allowance for equity funds used during construction		12,572	14,521
Change in money pool receivable - net		(13,421)	0
Nuclear fuel purchases		(79,142)	(95,289)
Payments for Nuclear Fuel		(79,142)	(95,289)
Proceeds from sale of nuclear fuel		31,897	51,029
Proceeds from nuclear decommissioning trust fund sales		259,331	219,223
Investment in nuclear decommissioning trust funds		(269,913)	(228,740)
Proceeds from insurance		7,043	0
Changes in securitization account		(4,821)	(3,619)
Change in other investments		(1)	(65,981)
Net cash flow used in investing activities		(574,337)	(667,841)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		658,427	222,717
Retirement of long-term debt		(372,447)	(6,803)
Change in money pool payable - net		(166,137)	43,882
Changes in credit borrowings and commercial paper - net		(49,974)	23,257
Dividends paid:
Preferred stock		(1,071)	(1,071)
Other		8,520	(1,737)
Net cash flow provided by financing activities		427,318	280,245
Net increase (decrease) in cash and cash equivalents		215,566	(20,045)
Cash and cash equivalents at beginning of period		6,216	20,509
Cash and cash equivalents at end of period		221,782	464
Cash paid / (received) during the period for:
Interest - net of amount capitalized		74,966	70,321
Proceeds from Contributions from Parent		350,000	0
Entergy Louisiana [Member]
OPERATING ACTIVITIES
Consolidated net income		514,260	405,141
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		490,638	458,963
Deferred income taxes, investment tax credits, and non-current taxes accrued		167,603	303,397
Changes in working capital:
Receivables		(61,281)	(92,610)
Fuel inventory		6,120	7,643
Accounts payable		(20,481)	31,865
Taxes accrued		(22,893)	97,138
Interest accrued		2,382	9,149
Deferred fuel costs		(25,781)	(37,753)
Other working capital accounts		(5,086)	(49,266)
Changes in provisions for estimated losses		7,800	(6,331)
Changes in other regulatory assets		49,245	60,014
Increase (Decrease) in Regulatory Liabilities		(29,943)	(72,060)
Changes in pensions and other postretirement liabilities		(59,305)	(70,489)
Other Noncash Income (Expense)		(69,978)	(117,625)
Net cash flow provided by operating activities		943,300	927,176
INVESTING ACTIVITIES
Construction/capital expenditures		(1,322,633)	(1,177,121)
Allowance for equity funds used during construction		57,292	34,492
Change in money pool receivable - net		(2,444)	(50,396)
Nuclear fuel purchases		(32,362)	(159,637)
Payments for Nuclear Fuel		(32,362)	(159,637)
Proceeds from sale of nuclear fuel		54,088	28,884
Payments to storm reserve escrow account		(3,297)	(1,422)
Receipts from storm reserve escrow account		0	8,836
Increase in other investments		0	(33,324)
Proceeds from nuclear decommissioning trust fund sales		943,306	176,056
Investment in nuclear decommissioning trust funds		(973,218)	(204,500)
Proceeds from insurance		3,480	5,305
Changes in securitization account		(8,056)	(6,538)
Net cash flow used in investing activities		(1,283,844)	(1,379,365)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		1,950,482	646,850
Retirement of long-term debt		(1,338,227)	(296,359)
Changes in credit borrowings and commercial paper - net		(43,540)	36,762
Dividends paid:
Common stock		(56,000)	(91,250)
Other		5,507	(2,141)
Net cash flow provided by financing activities		518,222	293,862
Net increase (decrease) in cash and cash equivalents		177,678	(158,327)
Cash and cash equivalents at beginning of period		35,907	213,850
Cash and cash equivalents at end of period		213,585	55,523
Cash paid / (received) during the period for:
Interest - net of amount capitalized		208,028	189,896
Income taxes		(2,973)	(116,937)
Entergy Mississippi [Member]
OPERATING ACTIVITIES
Consolidated net income		111,818	92,006
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		114,293	106,935
Deferred income taxes, investment tax credits, and non-current taxes accrued		40,537	65,204
Changes in working capital:
Receivables		(49,456)	(31,085)
Fuel inventory		33,705	8,059
Accounts payable		(9,845)	(2,644)
Taxes accrued		(24,280)	(5,815)
Interest accrued		(4,767)	(2,366)
Deferred fuel costs		9,826	(27,344)
Other working capital accounts		(8,348)	(279)
Changes in provisions for estimated losses		7,894	(10,274)
Changes in other regulatory assets		26,060	(33,323)
Increase (Decrease) in Regulatory Liabilities		(139,063)	(5,118)
Changes in pensions and other postretirement liabilities		(15,987)	(18,863)
Other Noncash Income (Expense)		125,637	(5,779)
Net cash flow provided by operating activities		218,024	129,314
INVESTING ACTIVITIES
Construction/capital expenditures		(275,189)	(313,910)
Allowance for equity funds used during construction		6,351	6,741
Change in money pool receivable - net		1,633	10,595
Increase in other investments		(960)	(1,207)
Change in other investments		0	(3,185)
Net cash flow used in investing activities		(268,165)	(300,966)
Proceeds from the issuance of:
Change in money pool payable - net		33,816	106,180
Dividends paid:
Common stock		0	(10,500)
Preferred stock		(715)	(715)
Other		10,989	(98)
Net cash flow provided by financing activities		44,090	94,867
Net increase (decrease) in cash and cash equivalents		(6,051)	(76,785)
Cash and cash equivalents at beginning of period		6,096	76,834
Cash and cash equivalents at end of period		45	49
Cash paid / (received) during the period for:
Interest - net of amount capitalized		44,781	38,549
Income taxes		0	(15,087)
Entergy New Orleans [Member]
OPERATING ACTIVITIES
Consolidated net income		50,558	44,389
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		41,756	39,356
Deferred income taxes, investment tax credits, and non-current taxes accrued		25,605	30,834
Changes in working capital:
Receivables		(15,310)	(17,030)
Fuel inventory		495	(490)
Accounts payable		8,868	(4,950)
Taxes accrued		(8,743)	(4,484)
Interest accrued		564	546
Deferred fuel costs		(59)	4,258
Other working capital accounts		(5,062)	(6,750)
Changes in provisions for estimated losses		417	(1,702)
Changes in other regulatory assets		19,068	10,093
Increase (Decrease) in Regulatory Liabilities		(5,353)	(1,131)
Changes in pensions and other postretirement liabilities		(12,956)	(13,793)
Other Noncash Income (Expense)		479	5,094
Net cash flow provided by operating activities		100,327	84,240
INVESTING ACTIVITIES
Construction/capital expenditures		(142,585)	(81,143)
Allowance for equity funds used during construction		3,762	1,656
Change in money pool receivable - net		10,607	(32,067)
Payments to storm reserve escrow account		(905)	(406)
Receipts from storm reserve escrow account		3	0
Changes in securitization account		(4,115)	(2,990)
Change in other investments		0	(1,754)
Net cash flow used in investing activities		(133,233)	(116,704)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		59,590	0
Retirement of long-term debt		(5,342)	(5,114)
Dividends paid:
Common stock		(23,750)	(36,100)
Preferred stock		0	(724)
Other		2,587	216
Net cash flow provided by financing activities		33,085	(41,722)
Net increase (decrease) in cash and cash equivalents		179	(74,186)
Cash and cash equivalents at beginning of period		32,741	103,068
Cash and cash equivalents at end of period		32,920	28,882
Cash paid / (received) during the period for:
Interest - net of amount capitalized		14,584	14,668
Entergy Texas [Member]
OPERATING ACTIVITIES
Consolidated net income		113,985	71,543
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		93,272	87,272
Deferred income taxes, investment tax credits, and non-current taxes accrued		640	36,252
Changes in working capital:
Receivables		(40,287)	(30,030)
Fuel inventory		1,045	(7,371)
Accounts payable		(12,864)	24,711
Taxes accrued		24,476	1,122
Interest accrued		(6,084)	(7,207)
Deferred fuel costs		(33,734)	(3,134)
Other working capital accounts		891	(8,455)
Changes in provisions for estimated losses		1,006	(1,460)
Changes in other regulatory assets		64,311	59,549
Increase (Decrease) in Regulatory Liabilities		15,313	(1,500)
Changes in pensions and other postretirement liabilities		(20,999)	(22,978)
Other Noncash Income (Expense)		(3,294)	(5,360)
Net cash flow provided by operating activities		197,677	192,954
INVESTING ACTIVITIES
Construction/capital expenditures		(291,118)	(243,226)
Allowance for equity funds used during construction		5,820	4,879
Proceeds from Sale of Other Assets, Investing Activities		3,753	0
Change in money pool receivable - net		43,686	681
Increase in other investments		0	2,431
Changes in securitization account		4,009	6,653
Net cash flow used in investing activities		(233,850)	(228,582)
Proceeds from the issuance of:
Retirement of long-term debt		(60,500)	(58,076)
Change in money pool payable - net		0	89,312
Dividends paid:
Other		1,657	(287)
Net cash flow provided by financing activities		(58,843)	30,949
Net increase (decrease) in cash and cash equivalents		(95,016)	(4,679)
Cash and cash equivalents at beginning of period		115,513	6,181
Cash and cash equivalents at end of period		20,497	1,502
Cash paid / (received) during the period for:
Interest - net of amount capitalized		69,669	70,237
Income taxes		(624)	(1,446)
System Energy [Member]
OPERATING ACTIVITIES
Consolidated net income		68,667	60,280
Adjustments to reconcile consolidated net income to net cash flow provided by operating activities:
Depreciation, amortization, and decommissioning, including nuclear fuel amortization		133,877	184,625
Deferred income taxes, investment tax credits, and non-current taxes accrued		14,159	44,017
Changes in working capital:
Receivables		20,806	21,147
Accounts payable		22,637	2,344
Taxes accrued		(1,017)	2,956
Interest accrued		2,311	401
Other working capital accounts		(52,524)	7,605
Changes in other regulatory assets		(4,773)	1,196
Increase (Decrease) in Regulatory Liabilities		(36,119)	53,519
Changes in pensions and other postretirement liabilities		(11,629)	(14,665)
Other Noncash Income (Expense)		(24,839)	(83,940)
Net cash flow provided by operating activities		131,556	279,485
INVESTING ACTIVITIES
Construction/capital expenditures		(166,458)	(60,041)
Allowance for equity funds used during construction		7,032	4,148
Change in money pool receivable - net		95,302	(202,658)
Nuclear fuel purchases		(110,485)	(24,239)
Payments for Nuclear Fuel		(110,485)	(24,239)
Proceeds from sale of nuclear fuel		12,867	60,188
Proceeds from nuclear decommissioning trust fund sales		357,209	308,134
Investment in nuclear decommissioning trust funds		(365,040)	(336,069)
Change in other investments		0	(9,061)
Net cash flow used in investing activities		(169,573)	(259,598)
Proceeds from the issuance of:
Proceeds from the issuance of long-term debt		211,985	0
Retirement of long-term debt		(124,304)	(50,003)
Changes in credit borrowings and commercial paper - net		(17,830)	14,858
Dividends paid:
Common stock		(64,480)	(85,610)
Other		0	(28)
Net cash flow provided by financing activities		5,371	(120,783)
Net increase (decrease) in cash and cash equivalents		(32,646)	(100,896)
Cash and cash equivalents at beginning of period		287,187	245,863
Cash and cash equivalents at end of period		254,541	144,967
Cash paid / (received) during the period for:
Interest - net of amount capitalized		$ 10,308	$ 26,251

[1] (a) Consolidated net income and preferred dividend requirements of subsidiaries for 2018 and 2017 include $10.3 million and $10.3 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented within equity.