Partnership Units and Related Matters (Tables)

9 Months Ended

Sep. 30, 2018

Partners Capital [Abstract]

Schedule of Distributions

The following table details the distributions declared or paid by the Partnership for the nine months ended September 30, 2018:

Three Months Ended	Date Paid Or to Be Paid		Total Distributions			Distributions to Targa Resources Corp.
September 30, 2018	November 13, 2018	$		237.6	$		234.8
June 30, 2018	August 13, 2018			234.0			231.2
March 31, 2018	May 11, 2018			229.7			226.9
December 31, 2017	February 12, 2018			228.5			225.7