Cash flows (Tables)

6 Months Ended

Jun. 30, 2015

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental disclosures of cash and noncash activity

Six months ended June 30	2015		2014
(in millions)
Supplemental disclosures of cash flow information
HEI consolidated
Interest paid to non-affiliates	$	41	$	44
Income taxes paid	35		22
Income taxes refunded	55		24
Hawaiian Electric consolidated
Interest paid to non-affiliates	30		31
Income taxes paid	9		6
Income taxes refunded	12		8
Supplemental disclosures of noncash activities
HEI consolidated
Increases in common stock related to director and officer compensatory plans (financing)	—		2
Real estate acquired in settlement of loans (investing)	—		2
Real estate transferred from property, plant and equipment to other assets held-for-sale (investing)	5		—
Obligations to fund low income housing investments (operating)	—		8
HEI consolidated and Hawaiian Electric consolidated
Additions to electric utility property, plant and equipment - unpaid invoices and other (investing)	53		28