XML 55 R97.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Cumulative preferred stock - HECO (Hawaiian Electric Company and Subsidiaries) | 12 Months Ended
--- | ---
Dec. 31, 2011
Hawaiian Electric Company and Subsidiaries |
Cumulative preferred stock |
2. Cumulative preferred stock The following series of cumulative preferred stock are redeemable only at the option of the respective company at the following prices in the event of voluntary liquidation or redemption:
December 31, 2011 |  | Voluntary liquidation price |  | Redemption price |
Series |  |  |  |  |
C, D, E, H, J and K (HECO) |  | $ 20 |  | $ 21 |
I (HECO) |  | 20 |  | 20 |
G (HELCO) |  | 100 |  | 100 |
H (MECO) |  | 100 |  | 100 |
HECO is obligated to make dividend, redemption and liquidation payments on the preferred stock of either of its subsidiaries if the respective subsidiary is unable to make such payments, but such obligation is subordinated to any obligation to make payments on HECO’s own preferred stock.

X
- Definition The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration