Condensed Consolidating Financial Statements (Details 3) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 2,194.1	$ 1,710.8	$ 1,934.1	$ 2,274.9
Restricted cash	645.0	154.0
Accounts and notes receivable - net	258.3	230.9
Inventories - net	205.0	274.3
Prepaid income taxes		33.4
Deferred income taxes	52.5	60.0
Assets held for sale		74.3
Other	50.8	92.4
Total current assets	3,405.7	2,630.1
Property, plant and equipment - net	4,605.1	4,101.7
Investments in and advances to affiliates	943.0	926.0
Goodwill	2,095.7	2,095.8
Noncurrent assets held for sale		679.0
Other assets	255.4	245.5
Total assets	11,304.9	10,678.1
Current liabilities:
Accounts payable and notes payable and accrued expenses	551.9	564.1
Income taxes payable	87.3	73.3
Customer advances	63.4	120.6
Liabilities held for sale		26.8
Other	17.7	43.5
Total current liabilities	720.3	828.3
Long-term debt	4,592.4	3,098.1
Deferred income taxes	829.8	833.2
Noncurrent liabilities held for sale		154.5
Other noncurrent liabilities	317.3	325.6
Stockholders' equity:
Preferred stock
Common stock	0.5	0.6
Paid-in capital	1,484.9	1,594.3
Retained earnings	3,622.4	3,725.6
Treasury stock	(603.1)	(201.8)
Accumulated other comprehensive income (loss)	(22.4)	(42.6)	(115.3)	(49.6)
Total stockholders' equity	4,482.3	5,076.1
Noncontrolling interest	362.8	362.3	364.8	380.0
Total equity	4,845.1	5,438.4	5,343.4	6,282.2
Total liabilities and equity	11,304.9	10,678.1
Reportable legal entities | Parent
Current assets:
Cash and cash equivalents	0.1	0.1	0.1
Prepaid income taxes	1.5	0.9
Total current assets	1.6	1.0
Investments in and advances to affiliates	6,128.6	5,193.4
Due from affiliates	570.7	570.7
Total assets	6,700.9	5,765.1
Current liabilities:
Accounts payable and notes payable and accrued expenses	2,218.6	40.6
Other		648.4
Total current liabilities	2,218.6	689.0
Stockholders' equity:
Common stock	0.5	0.6
Paid-in capital	1,484.9	1,594.3
Retained earnings	3,622.4	3,725.6
Treasury stock	(603.1)	(201.8)
Accumulated other comprehensive income (loss)	(22.4)	(42.6)
Total stockholders' equity	4,482.3	5,076.1
Total equity	4,482.3	5,076.1
Total liabilities and equity	6,700.9	5,765.1
Reportable legal entities | CF Industries
Current assets:
Cash and cash equivalents	370.6	20.4	25.0	440.8
Accounts and notes receivable - net	2,119.1	287.1
Inventories - net	6.9	3.3
Assets held for sale		68.1
Other	14.5
Total current assets	2,511.1	378.9
Deferred income taxes	149.7	149.7
Investments in and advances to affiliates	9,042.3	8,161.1
Noncurrent assets held for sale		679.0
Other assets	73.3	60.7
Total assets	11,776.4	9,429.4
Current liabilities:
Accounts payable and notes payable and accrued expenses	125.0	354.2
Income taxes payable	343.5	29.1
Liabilities held for sale		26.8
Other	14.5	0.9
Total current liabilities	483.0	411.0
Long-term debt	4,592.4	3,098.1
Due to affiliates	572.4	572.4
Noncurrent liabilities held for sale		154.5
Stockholders' equity:
Paid-in capital	(12.6)	(12.6)
Retained earnings	6,163.6	5,248.6
Accumulated other comprehensive income (loss)	(22.4)	(42.6)
Total stockholders' equity	6,128.6	5,193.4
Total equity	6,128.6	5,193.4
Total liabilities and equity	11,776.4	9,429.4
Reportable legal entities | Other Subsidiaries
Current assets:
Cash and cash equivalents	1,823.4	1,690.3	1,909.0	1,834.1
Restricted cash	645.0	154.0
Accounts and notes receivable - net	434.7	1,172.2
Inventories - net	198.1	271.0
Prepaid income taxes	254.7	33.4
Deferred income taxes	52.5	60.0
Assets held for sale		6.2
Other	36.3	92.4
Total current assets	3,444.7	3,479.5
Property, plant and equipment - net	4,605.1	4,101.7
Investments in and advances to affiliates	943.0	925.8
Due from affiliates	1.7	1.7
Goodwill	2,095.7	2,095.8
Other assets	182.1	184.8
Total assets	11,272.3	10,789.3
Current liabilities:
Accounts payable and notes payable and accrued expenses	503.8	715.9
Income taxes payable		45.1
Customer advances	63.4	120.6
Other	3.2	84.9
Total current liabilities	570.4	966.5
Long-term debt	9.0
Deferred income taxes	979.5	982.9
Other noncurrent liabilities	317.3	325.6
Stockholders' equity:
Preferred stock	16.4	16.4
Common stock	1.1	1.1
Paid-in capital	8,283.5	7,823.0
Retained earnings	755.1	354.5
Accumulated other comprehensive income (loss)	(22.8)	(43.0)
Total stockholders' equity	9,033.3	8,152.0
Noncontrolling interest	362.8	362.3
Total equity	9,396.1	8,514.3
Total liabilities and equity	11,272.3	10,789.3
Eliminations
Current assets:
Accounts and notes receivable - net	(2,295.5)	(1,228.4)
Prepaid income taxes	(256.2)	(0.9)
Total current assets	(2,551.7)	(1,229.3)
Deferred income taxes	(149.7)	(149.7)
Investments in and advances to affiliates	(15,170.9)	(13,354.3)
Due from affiliates	(572.4)	(572.4)
Total assets	(18,444.7)	(15,305.7)
Current liabilities:
Accounts payable and notes payable and accrued expenses	(2,295.5)	(546.6)
Income taxes payable	(256.2)	(0.9)
Other		(690.7)
Total current liabilities	(2,551.7)	(1,238.2)
Long-term debt	(9.0)
Deferred income taxes	(149.7)	(149.7)
Due to affiliates	(572.4)	(572.4)
Stockholders' equity:
Preferred stock	(16.4)	(16.4)
Common stock	(1.1)	(1.1)
Paid-in capital	(8,270.9)	(7,810.4)
Retained earnings	(6,918.7)	(5,603.1)
Accumulated other comprehensive income (loss)	45.2	85.6
Total stockholders' equity	(15,161.9)	(13,345.4)
Total equity	(15,161.9)	(13,345.4)
Total liabilities and equity	$ (18,444.7)	$ (15,305.7)