XML 43 R27.htm IDEA: XBRL DOCUMENT

Subsequent Events Subsequent Events (Notes)	3 Months Ended
Subsequent Events Subsequent Events (Notes)	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 — On 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.