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v2.4.1.9

Electric utility segment Consolidating Statement of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities |  |  |
Net income (loss) | $ 170,210 us-gaap_ProfitLoss | $ 163,406 us-gaap_ProfitLoss | $ 140,548 us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation of property, plant and equipment | 172,762 us-gaap_Depreciation | 160,061 us-gaap_Depreciation | 150,389 us-gaap_Depreciation
Other amortization | 8,476 us-gaap_AdjustmentForAmortization | 4,667 us-gaap_AdjustmentForAmortization | 7,958 us-gaap_AdjustmentForAmortization
Impairment of utility plant | 0 he_AdjustmentForAssetImpairmentCharges | 0 he_AdjustmentForAssetImpairmentCharges | 40,000 he_AdjustmentForAssetImpairmentCharges
Increase in deferred income taxes | 59,184 us-gaap_DeferredIncomeTaxExpenseBenefit | 80,399 us-gaap_DeferredIncomeTaxExpenseBenefit | 90,848 us-gaap_DeferredIncomeTaxExpenseBenefit
Allowance for equity funds used during construction | (6,771)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity | (5,561)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity | (7,007)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
Change in cash overdraft | (1,038)us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities | 1,038 us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities | 0 us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities
Decrease (increase) in fuel oil stock | 28,041 us-gaap_IncreaseDecreaseInFuelInventories | 27,332 us-gaap_IncreaseDecreaseInFuelInventories | 10,129 us-gaap_IncreaseDecreaseInFuelInventories
Increase in regulatory assets | (17,000)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets | (65,461)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets | (72,401)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets
Change in prepaid and accrued income taxes and revenue taxes | 12,845 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes | (19,406)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes | 21,079 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability | 22,251 us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations | (33,014)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations | (228)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations
Net cash provided by operating activities | 301,479 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 327,146 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 234,542 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities |  |  |
Capital expenditures | (339,721)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (353,879)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (325,480)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Contributions in aid of construction | 41,806 us-gaap_ProceedsFromContributionInAidOfConstruction | 32,160 us-gaap_ProceedsFromContributionInAidOfConstruction | 45,982 us-gaap_ProceedsFromContributionInAidOfConstruction
Other | (39)us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 40 us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 935 us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash used in investing activities | (568,508)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (563,760)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (427,047)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities |  |  |
Common stock dividends | (126,458)us-gaap_PaymentsOfDividendsCommonStock | (98,383)us-gaap_PaymentsOfDividendsCommonStock | (96,202)us-gaap_PaymentsOfDividendsCommonStock
Proceeds from issuance of long-term debt | 125,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | 286,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | 457,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt
Proceeds from issuance of common stock | 26,898 us-gaap_ProceedsFromRepurchaseOfEquity | 55,086 us-gaap_ProceedsFromRepurchaseOfEquity | 23,613 us-gaap_ProceedsFromRepurchaseOfEquity
Repayment of long-term debt | (111,400)us-gaap_RepaymentsOfLongTermDebt | (216,000)us-gaap_RepaymentsOfLongTermDebt | (375,500)us-gaap_RepaymentsOfLongTermDebt
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less | 13,490 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess | 21,789 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess | 14,872 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess
Other | (456)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | (1,187)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | (2,645)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities
Net cash provided by (used in) financing activities | 222,535 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 236,988 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 141,902 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase (decrease) in cash and cash equivalents | (44,494)us-gaap_NetCashProvidedByUsedInContinuingOperations | 374 us-gaap_NetCashProvidedByUsedInContinuingOperations | (50,603)us-gaap_NetCashProvidedByUsedInContinuingOperations
HECO |  |  |
Cash flows from operating activities |  |  |
Net income (loss) | 138,721 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 124,009 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 100,356 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Equity in earnings | (41,064)he_EquityInEarnings / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (41,510)he_EquityInEarnings / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (28,936)he_EquityInEarnings / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Common stock dividends received from subsidiaries | 26,076 us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 28,505 us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 47,035 us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Depreciation of property, plant and equipment | 109,204 us-gaap_Depreciation / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 99,738 us-gaap_Depreciation / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 90,783 us-gaap_Depreciation / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Other amortization | 1,749 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 554 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 1,508 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Impairment of utility plant |  |  | 29,000 he_AdjustmentForAssetImpairmentCharges / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Increase in deferred income taxes | 56,901 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 41,409 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 66,968 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Change in tax credits, net | 4,998 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 5,152 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 5,006 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Allowance for equity funds used during construction | (6,085)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (4,495)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (5,735)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Decrease (increase) in accounts receivable | 16,213 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 49,974 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (48,451)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Decrease (increase) in accrued unbilled revenues | 4,680 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (7,152)us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,728 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Decrease (increase) in fuel oil stock | 25,098 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 23,563 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 4,861 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Increase in materials and supplies | 4,223 us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (5,598)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (6,683)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Increase in regulatory assets | (14,620)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (46,047)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (55,605)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Increase (decrease) in accounts payable | (74,276)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (6,136)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (31,743)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Change in prepaid and accrued income taxes and revenue taxes | (4,166)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 4,632 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 19,871 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability | (562)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,325 us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (434)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Changes in other assets and liabilities | (46,032)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (17,941)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (44,880)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net cash provided by operating activities | 201,058 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 250,982 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 145,649 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Cash flows from investing activities |  |  |
Capital expenditures | (219,738)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (237,899)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (233,792)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Contributions in aid of construction | 30,021 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 21,686 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 32,285 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Advances from affiliates | (9,261)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 2,561 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (9,400)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Other | 0 us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |  |
Investment in consolidated subsidiary | 0 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (12,461)us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
Net cash used in investing activities | (198,978)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (226,113)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (210,907)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Cash flows from financing activities |  |  |
Common stock dividends | (88,492)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (81,578)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (73,044)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Preferred stock dividends of Hawaiian Electric and subsidiaries | (1,080)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (1,080)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (1,080)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Proceeds from issuance of long-term debt | 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 140,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 367,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Proceeds from issuance of common stock | 40,000 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 78,500 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 44,000 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Repayment of long-term debt | 0 us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (90,000)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (259,580)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less | (1,000)us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (17,050)us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (46,600)us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Other | (337)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (681)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (1,992)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net cash provided by (used in) financing activities | (50,909)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 28,111 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 28,704 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net increase (decrease) in cash and cash equivalents | (48,829)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 52,980 us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | (36,554)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Cash and cash equivalents, January 1 | 61,245 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 8,265 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 44,819 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Cash and cash equivalents, December 31 | 12,416 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 61,245 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember | 8,265 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
HELCO |  |  |
Cash flows from operating activities |  |  |
Net income (loss) | 19,223 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 20,670 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 16,746 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation of property, plant and equipment | 35,904 us-gaap_Depreciation / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 34,188 us-gaap_Depreciation / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 33,337 us-gaap_Depreciation / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Other amortization | 2,596 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 1,979 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 3,252 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Impairment of utility plant |  |  | 5,500 he_AdjustmentForAssetImpairmentCharges / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Increase in deferred income taxes | 12,083 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 10,569 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 7,457 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Change in tax credits, net | 680 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 818 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 522 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Allowance for equity funds used during construction | (472)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (643)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (585)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Decrease (increase) in accounts receivable | 7,150 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (1,459)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (1,106)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Decrease (increase) in accrued unbilled revenues | 1,174 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (2,707)us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 4,106 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Decrease (increase) in fuel oil stock | 378 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 1,307 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 3,732 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Increase in materials and supplies | 219 us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (1,547)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (636)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Increase in regulatory assets | (3,357)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (9,237)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (9,649)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Increase (decrease) in accounts payable | (8,490)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (4,756)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (8,110)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Change in prepaid and accrued income taxes and revenue taxes | (3,251)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (4,114)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 1,935 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability | 0 us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (1)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (191)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Changes in other assets and liabilities | (12,085)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (6,262)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (11,143)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Net cash provided by operating activities | 51,752 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 38,805 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 45,167 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Cash flows from investing activities |  |  |
Capital expenditures | (48,050)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (52,135)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (41,060)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Contributions in aid of construction | 7,695 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 7,590 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 8,184 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Advances from affiliates | 1,000 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 17,050 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 28,100 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Other | 0 us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (230)us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_SubsidiariesTwoMember |
Net cash used in investing activities | (39,355)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (27,725)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (4,776)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Cash flows from financing activities |  |  |
Common stock dividends | (11,627)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (14,388)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (27,738)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Preferred stock dividends of Hawaiian Electric and subsidiaries | (534)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (534)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (534)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Proceeds from issuance of long-term debt | 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 56,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 31,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Proceeds from issuance of common stock |  |  | 0 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Repayment of long-term debt | (11,400)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (56,000)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (41,200)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less | 10,500 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_SubsidiariesTwoMember |  | 0 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Other | (50)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (273)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 139 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Net cash provided by (used in) financing activities | (13,111)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (15,195)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (38,333)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Net increase (decrease) in cash and cash equivalents | (714)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | (4,115)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 2,058 us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Cash and cash equivalents, January 1 | 1,326 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 5,441 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 3,383 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesTwoMember
Cash and cash equivalents, December 31 | 612 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 1,326 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesTwoMember | 5,441 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesTwoMember
MECO |  |  |
Cash flows from operating activities |  |  |
Net income (loss) | 22,656 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 21,658 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 13,008 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation of property, plant and equipment | 21,279 us-gaap_Depreciation / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 20,099 us-gaap_Depreciation / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 20,378 us-gaap_Depreciation / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Other amortization | 3,746 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 2,544 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 2,238 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Impairment of utility plant |  |  | 5,500 he_AdjustmentForAssetImpairmentCharges / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Increase in deferred income taxes | 13,963 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 12,529 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 12,453 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Change in tax credits, net | 384 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 1,047 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 547 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Allowance for equity funds used during construction | (214)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (423)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (687)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Change in cash overdraft | (1,038)us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 1,038 us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities / dei_LegalEntityAxis = he_SubsidiariesThreeMember |
Decrease (increase) in accounts receivable | 3,483 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 1,178 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (2,164)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Decrease (increase) in accrued unbilled revenues | 896 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 33 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (3,306)us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Decrease (increase) in fuel oil stock | 2,565 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 2,462 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 1,536 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Increase in materials and supplies | (2,648)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (814)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (578)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Increase in regulatory assets | 977 us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (10,177)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (7,147)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Increase (decrease) in accounts payable | (7,866)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (9,936)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 940 us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Change in prepaid and accrued income taxes and revenue taxes | 3,381 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (2,546)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 3,433 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability | (399)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (84)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (119)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Changes in other assets and liabilities | (4,945)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (7,544)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (12,678)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Net cash provided by operating activities | 56,220 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 31,064 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 33,354 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Cash flows from investing activities |  |  |
Capital expenditures | (43,786)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (52,451)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (35,239)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Contributions in aid of construction | 4,090 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 2,884 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 5,513 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Advances from affiliates | 0 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 0 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 18,500 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Other | 0 us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_SubsidiariesThreeMember |  |
Net cash used in investing activities | (39,696)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (49,567)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (11,226)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Cash flows from financing activities |  |  |
Common stock dividends | (14,349)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (14,017)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (19,197)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Preferred stock dividends of Hawaiian Electric and subsidiaries | (381)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (381)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (381)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Proceeds from issuance of long-term debt | 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 40,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 59,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Proceeds from issuance of common stock | 0 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 12,461 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 0 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Repayment of long-term debt | 0 us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (20,000)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (67,720)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less | (1,239)us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (2,561)us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 9,400 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Other | (75)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (195)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (377)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Net cash provided by (used in) financing activities | (16,044)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 15,307 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (19,275)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Net increase (decrease) in cash and cash equivalents | 480 us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | (3,196)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 2,853 us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Cash and cash equivalents, January 1 | 153 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 3,349 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 496 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Cash and cash equivalents, December 31 | 633 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 153 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesThreeMember | 3,349 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_SubsidiariesThreeMember
Other subsidiaries |  |  |
Cash flows from operating activities |  |  |
Net income (loss) | 0 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (3)us-gaap_ProfitLoss / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (3)us-gaap_ProfitLoss / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Changes in other assets and liabilities | 0 he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | 0 he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (1)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Net cash provided by operating activities | 0 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (3)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (4)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Cash flows from financing activities |  |  |
Proceeds from issuance of common stock |  |  | 0 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Net cash provided by (used in) financing activities |  |  | 0 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Net increase (decrease) in cash and cash equivalents | 0 us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (3)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | (4)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Cash and cash equivalents, January 1 | 101 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | 104 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | 108 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Cash and cash equivalents, December 31 | 101 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | 101 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember | 104 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_RenewableHawaiiCompanyMember
Consolidating adjustments |  |  |
Cash flows from operating activities |  |  |
Net income (loss) | (40,964)us-gaap_ProfitLoss / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (41,410)us-gaap_ProfitLoss / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (28,836)us-gaap_ProfitLoss / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Equity in earnings | 40,964 he_EquityInEarnings / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 41,410 he_EquityInEarnings / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 28,836 he_EquityInEarnings / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Common stock dividends received from subsidiaries | (25,976)us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (28,405)us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (46,935)us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Decrease (increase) in accounts receivable | (103)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (248)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 4,717 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Changes in other assets and liabilities | 103 he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 248 he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (4,717)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Net cash provided by operating activities | (25,976)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (28,405)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (46,935)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Cash flows from investing activities |  |  |
Advances from affiliates | 8,261 us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (19,611)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (37,200)us-gaap_ProceedsFromContributionsFromAffiliates / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Other | 0 us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember |  |
Investment in consolidated subsidiary | 0 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 12,461 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember |
Net cash used in investing activities | 8,261 us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (7,150)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (37,200)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Cash flows from financing activities |  |  |
Common stock dividends | 25,976 us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 28,405 us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 46,935 us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Proceeds from issuance of common stock | 0 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | (12,461)us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 0 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less | (8,261)us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 19,611 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 37,200 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
Net cash provided by (used in) financing activities | 17,715 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 35,555 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember | 84,135 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_ConsolidationReclassificationsAndEliminationsMember
HECO Consolidated |  |  |
Cash flows from operating activities |  |  |
Net income (loss) | 139,636 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 124,924 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 101,271 us-gaap_ProfitLoss / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Equity in earnings | (100)he_EquityInEarnings / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (100)he_EquityInEarnings / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (100)he_EquityInEarnings / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Common stock dividends received from subsidiaries | 100 us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 100 us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 100 us-gaap_ProceedsFromDividendsReceived / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Depreciation of property, plant and equipment | 166,387 us-gaap_Depreciation / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 154,025 us-gaap_Depreciation / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 144,498 us-gaap_Depreciation / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Other amortization | 8,091 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 5,077 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 6,998 us-gaap_AdjustmentForAmortization / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Impairment of utility plant | 0 he_AdjustmentForAssetImpairmentCharges / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 0 he_AdjustmentForAssetImpairmentCharges / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 40,000 he_AdjustmentForAssetImpairmentCharges / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Increase in deferred income taxes | 82,947 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 64,507 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 86,878 us-gaap_DeferredIncomeTaxExpenseBenefit / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Change in tax credits, net | 6,062 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 7,017 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 6,075 us-gaap_IncomeTaxCreditsAndAdjustments / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Allowance for equity funds used during construction | (6,771)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (5,561)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (7,007)us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Change in cash overdraft | (1,038)us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 1,038 us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 0 us-gaap_IncreaseDecreaseInOutstandingChecksOperatingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Decrease (increase) in accounts receivable | 26,743 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 49,445 us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (47,004)us-gaap_IncreaseDecreaseInAccountsReceivable / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Decrease (increase) in accrued unbilled revenues | 6,750 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (9,826)us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 3,528 us-gaap_IncreaseDecreaseInUnbilledReceivables / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Decrease (increase) in fuel oil stock | 28,041 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 27,332 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 10,129 us-gaap_IncreaseDecreaseInFuelInventories / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Increase in materials and supplies | 1,794 us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (7,959)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (7,897)us-gaap_IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Increase in regulatory assets | (17,000)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (65,461)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (72,401)us-gaap_IncreaseDecreaseInOtherRegulatoryAssets / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Increase (decrease) in accounts payable | (90,632)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (20,828)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (38,913)us-gaap_IncreaseDecreaseInAccountsPayable / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Change in prepaid and accrued income taxes and revenue taxes | (4,036)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (2,028)he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 25,239 he_IncreaseDecreaseInPrepaidAndAccruedIncomeTaxesAndUtilityRevenueTaxes / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability | (961)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 2,240 us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (744)us-gaap_IncreaseDecreaseInPensionAndPostretirementObligations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Changes in other assets and liabilities | (62,959)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (31,499)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (73,419)he_IncreaseDecreaseInOtherOperatingCapitalExcludingSeparatelyDisclosedItemsNet / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Net cash provided by operating activities | 283,054 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 292,443 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 177,231 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Cash flows from investing activities |  |  |
Capital expenditures | (311,574)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (342,485)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (310,091)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Contributions in aid of construction | 41,806 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 32,160 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 45,982 us-gaap_ProceedsFromContributionInAidOfConstruction / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Other | 0 us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (230)us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 0 us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Net cash used in investing activities | (269,768)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (310,555)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (264,109)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Cash flows from financing activities |  |  |
Common stock dividends | (88,492)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (81,578)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (73,044)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Preferred stock dividends of Hawaiian Electric and subsidiaries | (1,995)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (1,995)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (1,995)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Proceeds from issuance of long-term debt | 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 236,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 457,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Proceeds from issuance of common stock | 40,000 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 78,500 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 44,000 us-gaap_ProceedsFromRepurchaseOfEquity / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Repayment of long-term debt | (11,400)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (166,000)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (368,500)us-gaap_RepaymentsOfLongTermDebt / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Other | (462)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (1,149)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (2,230)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Net cash provided by (used in) financing activities | (62,349)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 63,778 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 55,231 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Net increase (decrease) in cash and cash equivalents | (49,063)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 45,666 us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | (31,647)us-gaap_NetCashProvidedByUsedInContinuingOperations / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Cash and cash equivalents, January 1 | 62,825 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 17,159 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | 48,806 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember
Cash and cash equivalents, December 31 | $ 13,762 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | $ 62,825 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember | $ 17,159 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = he_HawaiianElectricCompanyAndSubsidiariesMember

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- Definition The increase (decrease) during the reporting period in the value of fuel held in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The change in cash during the period due to the net increase or decrease in outstanding checks, the liability that represents checks that have been issued but that have not cleared. The entity may classify these cash flows as financing or operating activities. Another element, Increase (Decrease) in Outstanding Checks, Financing Activities, represents cash flows from outstanding checks classified as financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in the amount due to fund pension and non-pension benefits to employees, retired and disabled former employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in the value of raw materials, packaging materials and supplies held in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period of the amount of revenue for work performed for which billing has not occurred, net of uncollectible accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. + References No definition available. + Details
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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from developers, builders, governmental agencies and municipalities that provide the entity with cash to extend its construction services to their properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Dividends received on equity and other investments during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow resulting from the entity's share transaction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- 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=35736750&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=7656940&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 (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&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=35736750&loc=SL4591551-111686 + Details
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- 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 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 Reference 2: 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
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