Background and Basis of Presentation (Details)							6 Months Ended
	Jun. 30, 2012 Common	Mar. 31, 2012 Common	Dec. 31, 2011 Common	Jun. 30, 2012 Class B Common	Mar. 31, 2012 Class B Common	Dec. 31, 2011 Class B Common	Jun. 30, 2012 General Partner's Interest	Jun. 30, 2012 CF Industries Holdings Common
Common units and interest in the partnership
Ownership interest in the partnership (as a percent)							0.05%
Common units issued	18,501,576		18,501,576	184,072	184,072	184,072
Common units outstanding	18,501,576	18,501,576	18,501,576	184,072		184,072
Common units owned through subsidiaries								13,889,014
Percentage of outstanding units owned through subsidiaries								75.00%