XML 70 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Earnings per share and shareholders' equity (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2013
Earnings per share and shareholders' equity |
Schedule of earnings per share | Earnings per share. Under the two-class method of computing earnings per share (EPS), EPS was comprised as follows for both participating securities and unrestricted common stock:
| Three months ended September 30 |  | Nine months ended September 30
| 2013 |  | 2012 |  | 2013 |  | 2012
| Basic |  | Diluted |  | Basic and diluted |  | Basic |  | Diluted |  | Basic and diluted
Distributed earnings | $ | 0.31 |  |  | 0.31 |  |  | $ | 0.31 |  |  | $ | 0.93 |  |  | $ | 0.93 |  |  | $ | 0.93 |
Undistributed earnings | 0.18 |  |  | 0.17 |  |  | 0.18 |  |  | 0.31 |  |  | 0.30 |  |  | 0.36 |
| $ | 0.49 |  |  | 0.48 |  |  | $ | 0.49 |  |  | $ | 1.24 |  |  | $ | 1.23 |  |  | $ | 1.29 |
Schedule of reclassifications out of accumulated other comprehensive income/(loss) | Accumulated other comprehensive income. Reclassifications out of accumulated other comprehensive income/(loss) (AOCI) were as follows:
|  | Amount reclassified from AOCI |  |
|  | Three months ended September 30 |  | Nine months ended September 30 |  |
(in thousands) |  | 2013 |  | 2012 |  | 2013 |  | 2012 |  | Affected line item in the Statement of Income
Net realized gains on securities |  | $ | — |  |  | $ | — |  |  | $ | (738 | ) |  | $ | (81 | ) |  | Revenues-bank (net gains on sales of securities)
Derivatives qualified as cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts (settled in 2011) |  | 59 |  |  | 59 |  |  | 177 |  |  | 177 |  |  | Interest expense
Retirement benefit plan items |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost |  | 5,789 |  |  | 3,826 |  |  | 17,490 |  |  | 11,467 |  |  | See Note 5 for additional details
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets |  | (5,156 | ) |  | (3,342 | ) |  | (15,468 | ) |  | (10,026 | ) |  | See Note 5 for additional details
Total reclassifications |  | $ | 692 |  |  | $ | 543 |  |  | $ | 1,461 |  |  | $ | 1,537 |  |  |

X
- Details
Name: | he_EarningsPerShareAndStockholdersEquityNoteDisclosureAbstract
Namespace Prefix: | he_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | he_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | he_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration