Cash flows (Tables)

9 Months Ended

Sep. 30, 2018

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental disclosures of cash and noncash activity

Nine months ended September 30	2018		2017
(in millions)
Supplemental disclosures of cash flow information
HEI consolidated
Interest paid to non-affiliates	$	67	$	62
Income taxes paid (including refundable credits)	50		32
Hawaiian Electric consolidated
Interest paid to non-affiliates	44		45
Income taxes paid (including refundable credits)	47		9
Supplemental disclosures of noncash activities
HEI consolidated
Property, plant and equipment
Estimated fair value of noncash contributions in aid of construction (investing)	6		3
Unpaid invoices and accruals for capital expenditures, balance, end of period (investing)	42		35
Loans transferred from held for investment to held for sale (investing)	1		41
Common stock issued (gross) for director and executive/management compensation (financing)1	4		11
Obligations to fund low income housing investments (investing)	12		10
Transfer of retail repurchase agreements to deposit liabilities (financing)	102		—
Hawaiian Electric consolidated
Electric utility property, plant and equipment
Estimated fair value of noncash contributions in aid of construction (investing)	6		3
Unpaid invoices and accruals for capital expenditures, balance, end of period (investing)	28		32

¹The amounts shown represent the market value of common stock issued for director and executive/management compensation and withheld to satisfy statutory tax liabilities.