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Cash flows | 3 Months Ended
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Mar. 31, 2015
Supplemental Cash Flow Elements [Abstract] |
Cash flows | Cash flows
Three months ended March 31 |  | 2015 |  | 2014
(in millions) |  |  |  |
Supplemental disclosures of cash flow information |  |  |  |  |  |
HEI consolidated |  |  |  |
Interest paid to non-affiliates |  | $ | 21 |  |  | $ | 20 |
Income taxes paid |  | 1 |  |  | 1 |
Income taxes refunded |  | 47 |  |  | 19 |
Hawaiian Electric consolidated |  |  |  |
Interest paid to non-affiliates |  | 13 |  |  | 13 |
Income taxes refunded |  | 6 |  |  | 8 |
Supplemental disclosures of noncash activities |  |  |  |  |  |
HEI consolidated |  |  |  |
Increases in common stock related to director and officer compensatory plans |  | 2 |  |  | 1 |
Real estate acquired in settlement of loans |  | — |  |  | 1 |
Real estate transferred from property, plant and equipment to other assets held-for-sale |  | 5 |  |  | — |
Obligations to fund low income housing investments |  | — |  |  | 10 |
HEI consolidated and Hawaiian Electric consolidated |  |  |  |
Additions to electric utility property, plant and equipment - unpaid invoices and other |  | 24 |  |  | 9 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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