Consolidated Statements of Comprehensive Income - HECO (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income for common stock	$ 40,588	$ 38,800	$ 74,267	$ 77,116
Retirement benefit plans:
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $3,195 and $2,142 for the three months ended June 30, 2013 and 2012 and $6,590 and $4,354 for the six months ended June 30, 2013 and 2012, respectively	5,680	3,768	11,701	7,641
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,184 and $2,095 for the three months ended June 30, 2013 and 2012 and $6,568 and $4,257 for the six months ended June 30, 2013 and 2012, respectively	(4,999)	(3,289)	(10,312)	(6,684)
Other comprehensive income (loss), net of taxes	(8,305)	1,550	(8,366)	1,861
Comprehensive income attributable to Hawaiian Electric Industries, Inc.	32,283	40,350	65,901	78,977
Hawaiian Electric Company, Inc. and Subsidiaries
Net income for common stock	28,693	29,376	53,122	56,676
Retirement benefit plans:
Less: amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost, net of tax benefits of $3,195 and $2,142 for the three months ended June 30, 2013 and 2012 and $6,590 and $4,354 for the six months ended June 30, 2013 and 2012, respectively	5,016	3,364	10,347	6,836
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $3,184 and $2,095 for the three months ended June 30, 2013 and 2012 and $6,568 and $4,257 for the six months ended June 30, 2013 and 2012, respectively	(4,999)	(3,289)	(10,312)	(6,684)
Other comprehensive income (loss), net of taxes	17	75	35	152
Comprehensive income attributable to Hawaiian Electric Industries, Inc.	$ 28,710	$ 29,451	$ 53,157	$ 56,828