XML 21 R48.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Retirement benefits - (Tables) - HECO | 6 Months Ended
--- | ---
Jun. 30, 2012
Retirement benefits |
Schedule of components of net periodic benefit cost for consolidated HECO |
|  | Three months ended June 30 |  | Six months ended June 30 |
|  | Pension benefits |  | Other benefits |  | Pension benefits |  | Other benefits |
(in thousands) |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Service cost |  | $ | 11,397 |  | $ | 8,824 |  | $ | 1,008 |  | $ | 1,173 |  | $ | 21,588 |  | $ | 17,741 |  | $ | 2,104 |  | $ | 2,440 |
Interest cost |  | 16,973 |  | 16,271 |  | 2,223 |  | 2,417 |  | 33,744 |  | 32,580 |  | 4,504 |  | 4,878 |
Expected return on plan assets |  | (17,736 | ) | (17,172 | ) | (2,557 | ) | (2,657 | ) | (35,592 | ) | (34,273 | ) | (5,178 | ) | (5,305 | )
Amortization of net transition obligation |  | — |  | — |  | — |  | — |  | — |  | 1 |  | — |  | — |
Amortization of prior service gain |  | (82 | ) | (97 | ) | (449 | ) | (309 | ) | (163 | ) | (194 | ) | (897 | ) | (533 | )
Amortization of net actuarial loss |  | 6,403 |  | 4,314 |  | 299 |  | 40 |  | 12,826 |  | 8,719 |  | 752 |  | 55 |
Net periodic benefit cost |  | 16,955 |  | 12,140 |  | 524 |  | 664 |  | 32,403 |  | 24,574 |  | 1,285 |  | 1,535 |
Impact of PUC D&Os |  | (4,977 | ) | (556 | ) | (416 | ) | 1,734 |  | (8,834 | ) | (2,100 | ) | (1,096 | ) | 2,752 |
Net periodic benefit cost (adjusted for impact of PUC D&Os) |  | $ | 11,978 |  | $ | 11,584 |  | $ | 108 |  | $ | 2,398 |  | $ | 23,569 |  | $ | 22,474 |  | $ | 189 |  | $ | 4,287 |
Hawaiian Electric Company, Inc. and Subsidiaries |
Retirement benefits |
Schedule of components of net periodic benefit cost for consolidated HECO |
|  | Three months ended June 30 |  | Six months ended June 30 |
|  | Pension benefits |  | Other benefits |  | Pension benefits |  | Other benefits |
(in thousands) |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Service cost |  | $ | 11,000 |  | $ | 8,474 |  | $ | 959 |  | $ | 1,129 |  | $ | 20,802 |  | $ | 17,039 |  | $ | 2,007 |  | $ | 2,352 |
Interest cost |  | 15,465 |  | 14,803 |  | 2,147 |  | 2,340 |  | 30,726 |  | 29,652 |  | 4,352 |  | 4,724 |
Expected return on plan assets |  | (15,942 | ) | (15,352 | ) | (2,519 | ) | (2,618 | ) | (32,002 | ) | (30,636 | ) | (5,098 | ) | (5,226 | )
Amortization of net transition obligation |  | — |  | — |  | (2 | ) | (2 | ) | — |  | — |  | (4 | ) | (4 | )
Amortization of net prior service gain |  | (172 | ) | (187 | ) | (451 | ) | (312 | ) | (344 | ) | (374 | ) | (902 | ) | (539 | )
Amortization of net actuarial loss |  | 5,845 |  | 4,016 |  | 288 |  | 37 |  | 11,714 |  | 8,136 |  | 728 |  | 55 |
Net periodic benefit cost |  | 16,196 |  | 11,754 |  | 422 |  | 574 |  | 30,896 |  | 23,817 |  | 1,083 |  | 1,362 |
Impact of PUC D&Os |  | (4,977 | ) | (556 | ) | (416 | ) | 1,734 |  | (8,834 | ) | (2,100 | ) | (1,096 | ) | 2,752 |
Net periodic benefit cost (adjusted for impact of PUC D&Os) |  | $ | 11,219 |  | $ | 11,198 |  | $ | 6 |  | $ | 2,308 |  | $ | 22,062 |  | $ | 21,717 |  | $ | (13 | ) | $ | 4,114 |

X
- Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration