XML 78 R59.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Electric utility segment Consolidating Statement of Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net income for common stock | $ 33,157 | $ 47,815 | $ 41,421 | $ 45,927 | $ 39,013 | $ 48,236 | $ 40,588 | $ 33,679 | $ 168,320 | $ 161,516 | $ 138,658
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  | (234,166) | 223,177 | (99,159)
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  | 11,344 | 23,280 | 15,291
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  | 207,833 | (222,595) | 75,471
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  | (10,628) | 9,673 | (7,286)
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | 157,692 | 171,189 | 131,372
HECO |  |  |  |  |  |  |  |  |  |  |
Net income for common stock |  |  |  |  |  |  |  |  | 137,641 | 122,929 | 99,276
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  | (218,608) | 203,479 | (90,082)
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  | 10,212 | 20,694 | 13,673
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  | 207,833 | (222,595) | 75,471
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  | (563) | 1,578 | (938)
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | 137,078 | 124,507 | 98,338
HELCO |  |  |  |  |  |  |  |  |  |  |
Net income for common stock |  |  |  |  |  |  |  |  | 18,689 | 20,136 | 16,212
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  | (28,725) | 30,542 | (13,577)
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  | 1,270 | 2,880 | 2,101
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  | 27,437 | (33,277) | 11,442
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  | (18) | 145 | (34)
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | 18,671 | 20,281 | 16,178
MECO |  |  |  |  |  |  |  |  |  |  |
Net income for common stock |  |  |  |  |  |  |  |  | 22,275 | 21,277 | 12,627
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  | (29,352) | 27,820 | (10,935)
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  | 1,090 | 2,557 | 1,771
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  | 28,257 | (30,254) | 9,093
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  | (5) | 123 | (71)
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | 22,270 | 21,400 | 12,556
Other subsidiaries |  |  |  |  |  |  |  |  |  |  |
Net income for common stock |  |  |  |  |  |  |  |  | 0 | (3) | (3)
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  |  |  | 0
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  |  |  | 0
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  |  |  | 0
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  |  |  | 0
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | 0 | (3) | (3)
Consolidating adjustments |  |  |  |  |  |  |  |  |  |  |
Net income for common stock |  |  |  |  |  |  |  |  | (40,964) | (41,410) | (28,836)
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  | 58,077 | (58,362) | 24,512
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  | (2,360) | (5,437) | (3,872)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  | (55,694) | 63,531 | (20,535)
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  | 23 | (268) | 105
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | (40,941) | (41,678) | (28,731)
HECO Consolidated |  |  |  |  |  |  |  |  |  |  |
Net income for common stock | $ 29,112 | $ 38,879 | $ 34,230 | $ 35,420 | $ 31,990 | $ 37,817 | $ 28,693 | $ 24,429 | 137,641 | 122,929 | 99,276
Net gains (losses) arising during the period, net of (taxes) benefits |  |  |  |  |  |  |  |  | (218,608) | 203,479 | (90,082)
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits |  |  |  |  |  |  |  |  | 10,212 | 20,694 | 13,673
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes |  |  |  |  |  |  |  |  | 207,833 | (222,595) | 75,471
Other comprehensive income (loss), net of taxes |  |  |  |  |  |  |  |  | (563) | 1,578 | (938)
Comprehensive income attributable to Hawaiian Electric Industries, Inc. |  |  |  |  |  |  |  |  | $ 137,078 | $ 124,507 | $ 98,338

X
- Definition Reclassification adjustments on pension and post retirement benefits for the accounting impact of the decisions issued by the Public Utilities Commission, net of income taxes. + References No definition available. + Details
Name: | he_OtherComprehensiveIncomeReclassificationAdjustmentForImpactOfDecisionAndOrdersOfThePUCIncludedInRegulatoryAssetsNetOfTax
Namespace Prefix: | he_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The adjustment out of other comprehensive income for actuarial gains or losses, prior service gains or losses, and net transition asset or obligation recognized as a component of net periodic benefit cost during the period, after tax. + References No definition available. + Details
Name: | he_OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossPriorServiceGainLossAndNetTransitionAssetObligationRecognizedInNetPeriodicBenefitCostNetOfTax
Namespace Prefix: | he_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=35737396 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for 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 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 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 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569643-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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

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

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

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