Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2018

Subsequent Events [Abstract]

Schedule of Subsequent Events [Table Text Block]

Enable Distributions Declarations (CenterPoint Energy)

Equity Instrument	Declaration Date	Record Date	Payment Date	Per Unit Distribution		Expected Cash Distribution
						(in millions)
Common units	February 8, 2019	February 19, 2019	February 26, 2019	$	0.318	$	74
Enable Series A Preferred Units	February 8, 2019	February 8, 2019	February 14, 2019	0.625		9