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Subsequent Events Subsequent Events (Notes) | 3 Months Ended
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Mar. 31, 2018
Subsequent Events [Abstract] |
Subsequent Events [Text Block] | SUBSEQUENT EVENTS Simple Energy — On April 9, 2018, the Company invested $34 million in Simple Energy, the leading provider of utility-branded marketplaces and omni-channel instant rebates. As the Company does not control Simple Energy, it will be accounted for as an equity method investment and will be reported in the US and Utilities SBU reportable segment. Eletropaulo — O n May 2, 2018, the Brazilian securities regulator, CVM, announced it will host a sales process, to be held on June 4, 2018, in which interested bidders will compete to purchase a controlling interest of Eletropaulo.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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