Subsequent Events (CenterPoint Energy) (Tables)

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Schedule of Subsequent Events [Table Text Block]

CenterPoint Energy Dividend Declarations

Equity Instrument	Declaration Date	Record Date	Payment Date	Per Share
Common Stock	October 17, 2019	November 21, 2019	December 12, 2019	$	0.2875
Series B Preferred Stock	October 17, 2019	November 15, 2019	December 2, 2019	17.5000

Enable Distributions Declarations (CenterPoint Energy)

Equity Instrument	Declaration Date	Record Date	Payment Date	Per Unit Distribution		Expected Cash Distribution (in millions)
Enable common units	November 5, 2019	November 19, 2019	November 26, 2019	$	0.3305	$	77
Enable Series A Preferred Units	November 5, 2019	November 5, 2019	November 14, 2019	0.6250		9