Partners' Capital and Distributions (Details 4) (PAA, USD $) In Millions, unless otherwise specified	3 Months Ended	1 Months Ended
	Mar. 31, 2015	Mar. 31, 2015
PAA Continuous Offering Program
Partners Capital and Distribution
Units Issued (in units)	1.1
Net Proceeds	$ 58
PAA Underwritten Offering
Partners Capital and Distribution
Units Issued (in units)		21.0
Net Proceeds		$ 1,000