Background and Basis of Presentation (Details) - shares	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Common Units
Common units and interest in the partnership
Common units issued	18,501,576	18,501,576
Class B Common Units
Common units and interest in the partnership
Common units issued	184,072	184,072
General Partner
Common units and interest in the partnership
Ownership interest in the partnership (as a percent)	0.05%
CF Industries | Common Units
Common units and interest in the partnership
Common units owned through subsidiaries	13,889,014
Percentage of outstanding units owned through subsidiaries	75.00%