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Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - HECO - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Effective portion of foreign currency hedge net unrealized gain, taxes	$ 205	$ 0	$ 368	$ 0
Less: reclassification adjustment to net income, net of tax benefits	110	(37)	75	(112)
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, taxes	2,109	3,243	6,327	9,729
Hawaiian Electric Company, Inc. and Subsidiaries
Effective portion of foreign currency hedge net unrealized gain, taxes	205	0	368	0
Less: reclassification adjustment to net income, net of tax benefits	110	0	110	0
Less: amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits	2,110	3,245	6,331	9,735
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, taxes	$ 2,109	$ 3,243	$ 6,327	$ 9,729

X

- Definition

The amount of income taxes on the reclassification adjustments on pension and post retirement benefits for the accounting impact of the decisions issued by the Public Utilities Commission.

+ References

No definition available.

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- Definition

Tax effect on 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.

+ References

No definition available.

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- Definition

Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph c
-URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41638-113959

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- Definition

Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580

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