XML 52 R3.htm IDEA: XBRL DOCUMENT v3.20.1
STATEMENTS OF CONSOLIDATED INCOME (Parentheticals) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income tax expense (benefit) associated with discontinued operations $ 46 $ (9) $ 49
CenterPoint Energy Resources Corp.      
Income tax expense (benefit) associated with discontinued operations $ 17 $ 37 $ 153