XML 45 R2.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Consolidated Statements Of Income - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
OPERATING REVENUES |  |  |
Electric |  | $ 2,248,262 | $ 1,991,740
Natural gas |  | 56,695 | 43,351
Competitive businesses |  | 418,924 | 553,367
TOTAL |  | 2,723,881 | 2,588,458
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 443,296 | 417,566
Purchased power |  | 396,023 | 357,768
Nuclear refueling outage expenses |  | 42,760 | 42,564
Other operation and maintenance |  | 783,585 | 846,856
Asset Write-Offs, Impairments, And Related Charges |  | 72,924 | 211,791
Decommissioning |  | 94,400 | 114,374
Taxes other than income taxes |  | 165,218 | 156,353
Depreciation and amortization |  | 347,065 | 347,265
Other regulatory charges (credits) - net |  | 42,946 | (85,302)
TOTAL |  | 2,388,217 | 2,409,235
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property |  | 0 | (16,270)
OPERATING INCOME |  | 335,664 | 195,493
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 28,343 | 19,008
Investment Income, Net |  | 16,870 | 56,549
Miscellaneous - net |  | (31,356) | (15,189)
TOTAL |  | 13,857 | 60,368
INTEREST EXPENSE |  |  |
Interest expense |  | 182,923 | 171,089
Allowance for borrowed funds used during construction |  | (13,265) | (9,042)
TOTAL |  | 169,658 | 162,047
INCOME BEFORE INCOME TAXES |  | 179,863 | 93,814
Income taxes |  | 43,663 | 7,763
CONSOLIDATED NET INCOME | [1] | 136,200 | 86,051
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders |  | 3,439 | 3,446
EARNINGS APPLICABLE TO COMMON STOCK |  | $ 132,761 | $ 82,605
Earnings per average common share: |  |  |
Basic (in dollars per share) |  | $ 0.7346731314 | $ 0.46
Diluted (in dollars per share) |  | 0.73 | 0.46
Dividends declared per common share (in dollars per share) |  | $ 0.89 | $ 0.87
Basic average number of common shares outstanding (in shares) |  | 180,707,575 | 179,335,063
Diluted average number of common shares outstanding (in shares) |  | 181,431,968 | 179,842,053
Entergy Arkansas [Member] |  |  |
OPERATING REVENUES |  |  |
Electric |  | $ 551,024 | $ 474,351
Natural gas |  | 0 |
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 108,306 | 99,409
Purchased power |  | 71,972 | 55,133
Nuclear refueling outage expenses |  | 23,402 | 19,619
Other operation and maintenance |  | 169,358 | 163,008
Decommissioning |  | 14,760 | 13,895
Taxes other than income taxes |  | 27,905 | 24,051
Depreciation and amortization |  | 71,981 | 67,066
Other regulatory charges (credits) - net |  | (3,307) | (10,526)
TOTAL |  | 484,377 | 431,655
OPERATING INCOME |  | 66,647 | 42,696
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 4,008 | 4,350
Investment Income, Net |  | 6,814 | 6,932
Miscellaneous - net |  | (3,871) | (2,956)
TOTAL |  | 6,951 | 8,326
INTEREST EXPENSE |  |  |
Interest expense |  | 29,766 | 27,252
Allowance for borrowed funds used during construction |  | (1,890) | (1,962)
TOTAL |  | 27,876 | 25,290
INCOME BEFORE INCOME TAXES |  | 45,722 | 25,732
Income taxes |  | 9,467 | 11,428
CONSOLIDATED NET INCOME |  | 36,255 | 14,304
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders |  | 357 | 357
EARNINGS APPLICABLE TO COMMON STOCK |  | 35,898 | 13,947
Entergy Louisiana [Member] |  |  |
OPERATING REVENUES |  |  |
Electric |  | 1,005,106 | 864,076
Natural gas |  | 24,238 | 16,707
TOTAL |  | 1,029,344 | 880,783
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 180,781 | 154,044
Purchased power |  | 251,772 | 239,827
Nuclear refueling outage expenses |  | 13,099 | 12,185
Other operation and maintenance |  | 234,380 | 217,112
Decommissioning |  | 12,772 | 12,123
Taxes other than income taxes |  | 51,280 | 45,283
Depreciation and amortization |  | 120,822 | 115,630
Other regulatory charges (credits) - net |  | 23,119 | (74,187)
TOTAL |  | 888,025 | 722,017
OPERATING INCOME |  | 141,319 | 158,766
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 17,745 | 9,990
Investment Income, Net |  | 43,275 | 39,830
Miscellaneous - net |  | (7,665) | (9,142)
TOTAL |  | 53,355 | 40,678
INTEREST EXPENSE |  |  |
Interest expense |  | 70,096 | 67,315
Allowance for borrowed funds used during construction |  | (8,763) | (5,174)
TOTAL |  | 61,333 | 62,141
INCOME BEFORE INCOME TAXES |  | 133,341 | 137,303
Income taxes |  | 21,748 | 42,925
CONSOLIDATED NET INCOME |  | 111,593 | 94,378
Entergy Mississippi [Member] |  |  |
OPERATING REVENUES |  |  |
Electric |  | 315,743 | 258,443
Natural gas |  | 0 |
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 63,528 | 39,140
Purchased power |  | 87,456 | 71,070
Other operation and maintenance |  | 59,458 | 54,622
Taxes other than income taxes |  | 25,394 | 23,972
Depreciation and amortization |  | 38,182 | 35,317
Other regulatory charges (credits) - net |  | 293 | (5,837)
TOTAL |  | 274,311 | 218,284
OPERATING INCOME |  | 41,432 | 40,159
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 1,978 | 1,843
Investment Income, Net |  | 25 | 26
Miscellaneous - net |  | (571) | (976)
TOTAL |  | 1,432 | 893
INTEREST EXPENSE |  |  |
Interest expense |  | 13,905 | 12,672
Allowance for borrowed funds used during construction |  | (828) | (720)
TOTAL |  | 13,077 | 11,952
INCOME BEFORE INCOME TAXES |  | 29,787 | 29,100
Income taxes |  | 6,944 | 11,942
CONSOLIDATED NET INCOME |  | 22,843 | 17,158
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders |  | 238 | 238
EARNINGS APPLICABLE TO COMMON STOCK |  | 22,605 | 16,920
Entergy New Orleans [Member] |  |  |
OPERATING REVENUES |  |  |
Electric |  | 155,818 | 142,345
Natural gas |  | 32,457 | 26,644
TOTAL |  | 188,275 | 168,989
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 23,739 | 30,075
Purchased power |  | 83,156 | 68,359
Other operation and maintenance |  | 28,299 | 22,291
Taxes other than income taxes |  | 15,132 | 12,846
Depreciation and amortization |  | 13,747 | 13,050
Other regulatory charges (credits) - net |  | 6,333 | 385
TOTAL |  | 170,406 | 147,006
OPERATING INCOME |  | 17,869 | 21,983
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 851 | 450
Investment Income, Net |  | 93 | 135
Miscellaneous - net |  | (337) | (123)
TOTAL |  | 607 | 462
INTEREST EXPENSE |  |  |
Interest expense |  | 5,279 | 5,343
Allowance for borrowed funds used during construction |  | (314) | (158)
TOTAL |  | 4,965 | 5,185
INCOME BEFORE INCOME TAXES |  | 13,511 | 17,260
Income taxes |  | 2,629 | 6,282
CONSOLIDATED NET INCOME |  | 10,882 | 10,978
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders |  | 0 | 241
EARNINGS APPLICABLE TO COMMON STOCK |  | 10,882 | 10,737
Entergy Texas [Member] |  |  |
OPERATING REVENUES |  |  |
Electric |  | 348,940 | 363,927
Natural gas |  | 0 |
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 18,706 | 58,013
Purchased power |  | 159,692 | 150,384
Other operation and maintenance |  | 52,674 | 54,128
Taxes other than income taxes |  | 20,403 | 19,444
Depreciation and amortization |  | 30,766 | 28,111
Other regulatory charges (credits) - net |  | 25,617 | 15,227
TOTAL |  | 307,858 | 325,307
OPERATING INCOME |  | 41,082 | 38,620
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 1,661 | 1,281
Investment Income, Net |  | 555 | 201
Miscellaneous - net |  | 113 | 40
TOTAL |  | 2,329 | 1,522
INTEREST EXPENSE |  |  |
Interest expense |  | 22,051 | 21,808
Allowance for borrowed funds used during construction |  | (938) | (761)
TOTAL |  | 21,113 | 21,047
INCOME BEFORE INCOME TAXES |  | 22,298 | 19,095
Income taxes |  | 4,948 | 8,241
CONSOLIDATED NET INCOME |  | 17,350 | 10,854
System Energy [Member] |  |  |
OPERATING REVENUES |  |  |
Electric |  | 148,443 | 154,787
Operation and Maintenance: |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 28,425 | 15,334
Nuclear refueling outage expenses |  | 3,972 | 4,773
Other operation and maintenance |  | 45,339 | 47,463
Decommissioning |  | 8,457 | 13,232
Taxes other than income taxes |  | 7,097 | 6,424
Depreciation and amortization |  | 33,321 | 35,441
Other regulatory charges (credits) - net |  | (9,109) | (10,362)
TOTAL |  | 117,502 | 112,305
OPERATING INCOME |  | 30,941 | 42,482
OTHER INCOME |  |  |
Allowance for equity funds used during construction |  | 2,100 | 1,094
Investment Income, Net |  | 6,886 | 4,674
Miscellaneous - net |  | (1,176) | (1,066)
TOTAL |  | 7,810 | 4,702
INTEREST EXPENSE |  |  |
Interest expense |  | 9,325 | 9,119
Allowance for borrowed funds used during construction |  | (532) | (267)
TOTAL |  | 8,793 | 8,852
INCOME BEFORE INCOME TAXES |  | 29,958 | 38,332
Income taxes |  | 7,650 | 17,985
CONSOLIDATED NET INCOME |  | $ 22,308 | $ 20,347
[1] | Text selection found with no content.

X
- Definition Asset Write-Offs, Impairments, And Related Charges + References No definition available. + Details
Name: | etr_AssetWriteOffsImpairmentsAndRelatedCharges
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortization of costs deferred during nuclear refueling outages over the estimated period to the next outage because these refueling outage expenses are incurred to prepare the units to operate for the next operating cycle without having to be taken off line. + References No definition available. + Details
Name: | etr_NuclearRefuelingOutageExpenses
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the debit or credit to defer certain costs or revenues because they will be recovered or returned to customers in the future. + References No definition available. + Details
Name: | etr_OtherRegulatoryChargesCreditsNet
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 + Details
Name: | us-gaap_AssetRetirementObligationAccretionExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue from selling electricity supply in a retail access program. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CompetitiveEnergyRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cost of electricity purchased as well as fuel used to generate electricity used in operations and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfPurchasedPower
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationNonproduction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=96948231&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_EarningsPerShareBasic
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_EarningsPerShareDiluted
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate revenue, whether regulated or unregulated, derived from the generation, transmission and distribution of electricity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_ElectricUtilityRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_GasDomesticRegulatedRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InterestExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_InterestExpenseDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_InvestmentIncomeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of income (loss) attributable to redeemable noncontrolling preferred unit holders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.19) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_NonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NonoperatingIncomeExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OperatingCostsAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. + References No definition available. + Details
Name: | us-gaap_OperatingExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
Name: | us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount capitalized of allowance for funds used during construction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 + Details
Name: | us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_TaxesExcludingIncomeAndExciseTaxes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating expense for fuel used by regulated operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_UtilitiesOperatingExpenseFuelUsed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of revenues for public and other utilities generated by the sale of electricity, water, gas, and other services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_UtilityRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_UtilityRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1505-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1448-109256 + Details
Name: | us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyArkansasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyLouisianaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyMississippiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyNewOrleansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyTexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_SystemEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |