Cash flows (Tables)

6 Months Ended

Jun. 30, 2019

Supplemental Cash Flow Elements [Abstract]

Schedule of supplemental disclosures of cash and noncash activity

Six months ended June 30	2019		2018
(in millions)
Supplemental disclosures of cash flow information
HEI consolidated
Interest paid to non-affiliates, net of amounts capitalized	$	53	$	45
Income taxes paid (including refundable credits)	46		36
Income taxes refunded (including refundable credits)	4		—
Hawaiian Electric consolidated
Interest paid to non-affiliates	34		32
Income taxes paid (including refundable credits)	46		35
Income taxes refunded (including refundable credits)	4		—
Supplemental disclosures of noncash activities
HEI consolidated
Property, plant and equipment
Estimated fair value of noncash contributions in aid of construction (investing)	1		5
Unpaid invoices and accruals for capital expenditures, balance, end of period (investing)	30		42
Common stock issued (gross) for director and executive/management compensation (financing)1	5		4
Real estate transferred from property, plant and equipment to other assets held-for-sale (investing)	9		—
Obligations to fund low income housing investments (investing)	6		6
Transfer of retail repurchase agreements to deposit liabilities (financing)	—		102
Unsettled trades to purchase investment securities (investing)	—		10
Hawaiian Electric consolidated
Electric utility property, plant and equipment
Estimated fair value of noncash contributions in aid of construction (investing)	1		5
Unpaid invoices and accruals for capital expenditures, balance, end of period (investing)	27		28

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