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Cash flows | 6 Months Ended
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Jun. 30, 2021
Supplemental Cash Flow Elements [Abstract] |
Cash flows | Cash flows
Six months ended June 30 |  | 2021 |  | 2020
(in millions) |  |  |  |
Supplemental disclosures of cash flow information |  |  |  |
HEI consolidated |  |  |  |
Interest paid to non-affiliates, net of amounts capitalized |  | $ | 51 |  |  | $ | 50 |
Income taxes paid (including refundable credits) |  | 14 |  |  | — |
Hawaiian Electric consolidated |  |  |  |
Interest paid to non-affiliates |  | 37 |  |  | 32 |
Income taxes paid (including refundable credits) |  | 20 |  |  | — |
Supplemental disclosures of noncash activities |  |  |  |
HEI consolidated |  |  |  |
Property, plant and equipment |  |  |  |
Estimated fair value of noncash contributions in aid of construction (investing) |  | 1 |  |  | 3 |
Unpaid invoices and accruals for capital expenditures, balance, end of period (investing) |  | 31 |  |  | 34 |
Reduction of long-term debt from funds previously transferred for repayment (financing) |  | — |  |  | 82 |
Right-of-use assets obtained in exchange for operating lease obligations (investing) |  | 38 |  |  | 20 |
Common stock issued (gross) for director and executive/management compensation (financing)1 |  | 7 |  |  | 16 |
Obligations to fund low income housing investments (investing) |  | 9 |  |  | — |
Loans transferred from held for investment to held for sale (investing) |  | 62 |  |  | — |
Hawaiian Electric consolidated |  |  |  |
Electric utility property, plant and equipment |  |  |  |
Estimated fair value of noncash contributions in aid of construction (investing) |  | 1 |  |  | 3 |
Unpaid invoices and accruals for capital expenditures, balance, end of period (investing) |  | 27 |  |  | 30 |
Reduction of long-term debt from funds previously transferred for repayment (financing) |  | — |  |  | 82 |
Right-of-use assets obtained in exchange for operating lease obligations (investing) |  | 38 |  |  | 16 |
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.

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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- References No definition available. + Details
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