Subsequent Events (CenterPoint Energy) (Tables)

6 Months Ended

Jun. 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	July 31, 2019	August 15, 2019	September 12, 2019	$	0.2875
Series A Preferred Stock	July 31, 2019	August 15, 2019	September 3, 2019	30.6250
Series B Preferred Stock	July 31, 2019	August 15, 2019	September 3, 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	August 2, 2019	August 20, 2019	August 27, 2019	$	0.3305	$	77
Enable Series A Preferred Units	August 2, 2019	August 2, 2019	August 14, 2019	0.6250		9