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Electric utility segment (Details 4) (USD $) | Dec. 31, 2013
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HECO | Multiple Series Preferred Stock [Member] |
Class of Stock [Line Items] |
Preferred Stock Voluntary Liquidation Preference | $ 20
Preferred Stock, Redemption Price Per Share | $ 21
HECO | Series I Preferred Stock [Member] |
Class of Stock [Line Items] |
Preferred Stock Voluntary Liquidation Preference | $ 20
Preferred Stock, Redemption Price Per Share | $ 20
Hawaii Electric Light Company, Inc. (HELCO) | Series G Preferred Stock [Member] |
Class of Stock [Line Items] |
Preferred Stock Voluntary Liquidation Preference | $ 100
Preferred Stock, Redemption Price Per Share | $ 100
MECO | Series H Preferred Stock [Member] |
Class of Stock [Line Items] |
Preferred Stock Voluntary Liquidation Preference | $ 100
Preferred Stock, Redemption Price Per Share | $ 100

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- Definition The per share voluntary liquidation preference of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). + References No definition available. + Details
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- Definition The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 7 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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