XML 20 R78.htm IDEA: XBRL DOCUMENT v3.3.0.814
Cash flows (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Supplemental disclosures of cash flow information    
Interest paid $ 21 $ 20
Income taxes paid 1 1
Income taxes refunded 47 19
Supplemental disclosures of noncash activities    
Real estate acquired in settlement of loans 0 1
Real estate transferred from property, plant and equipment to other assets held-for-sale 5 0
Obligations to fund low income housing investments 0 10
Additions to electric utility property, plant and equipment - unpaid invoices and other (41) (16)
Hawaiian Electric Company, Inc. and Subsidiaries    
Supplemental disclosures of cash flow information    
Interest paid 13 13
Income taxes refunded 6 8
Supplemental disclosures of noncash activities    
Additions to electric utility property, plant and equipment - unpaid invoices and other $ (41) $ (16)