Condensed Consolidating Financial Statements (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 1,710.8	$ 2,274.9	$ 1,207.0	$ 797.7
Restricted cash	154.0
Accounts and notes receivable - net	230.9	217.4
Inventories - net	274.3	277.9
Prepaid income taxes	33.4
Deferred income taxes	60.0	9.5
Assets held for sale	74.3
Other	92.4	27.9
Total current assets	2,630.1	2,807.6
Property, plant and equipment - net	4,101.7	3,900.5
Asset retirement obligation funds		200.8
Investments in and advances to affiliates	926.0	935.6
Goodwill	2,095.8	2,064.5
Noncurrent assets held for sale	679.0
Other assets	245.5	257.9
Total assets	10,678.1	10,166.9
Current liabilities:
Accounts payable and notes payable and accrued expenses	564.1	366.5
Income taxes payable	73.3	187.1
Customer advances	120.6	380.7
Notes payable		5.0
Distributions payable to noncontrolling interest		5.3	149.7	78.0
Liabilities held for sale	26.8
Other	43.5	5.6
Total current liabilities	828.3	950.2
Long-term debt	3,098.1	1,600.0
Deferred income taxes	833.2	938.8
Noncurrent liabilities held for sale	154.5
Other noncurrent liabilities	325.6	395.7
Stockholders' equity:
Preferred stock
Common stock	0.6	0.6
Paid-in capital	1,594.3	2,492.4
Retained earnings	3,725.6	3,461.1
Treasury stock	(201.8)	(2.3)
Accumulated other comprehensive income (loss)	(42.6)	(49.6)	(99.3)	(53.3)
Total stockholders' equity	5,076.1	5,902.2
Noncontrolling interest	362.3	380.0	385.9	383.0
Total equity	5,438.4	6,282.2	4,932.9	4,433.4
Total liabilities and equity	10,678.1	10,166.9
Reportable legal entities | Parent
Current assets:
Cash and cash equivalents	0.1
Prepaid income taxes	0.9
Total current assets	1.0
Investments in and advances to affiliates	5,193.4	5,331.5
Due from affiliates	570.7	570.7
Total assets	5,765.1	5,902.2
Current liabilities:
Accounts payable and notes payable and accrued expenses	40.6
Other	648.4
Total current liabilities	689.0
Stockholders' equity:
Common stock	0.6	0.6
Paid-in capital	1,594.3	2,492.3
Retained earnings	3,725.6	3,461.2
Treasury stock	(201.8)	(2.3)
Accumulated other comprehensive income (loss)	(42.6)	(49.6)
Total stockholders' equity	5,076.1	5,902.2
Total equity	5,076.1	5,902.2
Total liabilities and equity	5,765.1	5,902.2
Reportable legal entities | CF Industries
Current assets:
Cash and cash equivalents	20.4	440.8	98.7	136.2
Accounts and notes receivable - net	287.1	145.1
Income taxes receivable		642.1
Inventories - net	3.3	193.1
Deferred income taxes		9.5
Assets held for sale	68.1
Other		15.4
Total current assets	378.9	1,446.0
Property, plant and equipment - net		1,008.1
Deferred income taxes	149.7	50.7
Asset retirement obligation funds		200.8
Investments in and advances to affiliates	8,161.1	6,291.4
Goodwill		0.9
Noncurrent assets held for sale	679.0
Other assets	60.7	136.5
Total assets	9,429.4	9,134.4
Current liabilities:
Accounts payable and notes payable and accrued expenses	354.2	222.6
Income taxes payable	29.1
Customer advances		247.9
Notes payable		900.0
Liabilities held for sale	26.8
Other	0.9	4.5
Total current liabilities	411.0	1,375.0
Long-term debt	3,098.1	1,600.0
Due to affiliates	572.4	572.5
Noncurrent liabilities held for sale	154.5
Other noncurrent liabilities		255.4
Stockholders' equity:
Paid-in capital	(12.6)	739.8
Retained earnings	5,248.6	4,641.3
Accumulated other comprehensive income (loss)	(42.6)	(49.6)
Total stockholders' equity	5,193.4	5,331.5
Total equity	5,193.4	5,331.5
Total liabilities and equity	9,429.4	9,134.4
Reportable legal entities | Other Subsidiaries
Current assets:
Cash and cash equivalents	1,690.3	1,834.1	1,108.3	661.5
Restricted cash	154.0
Accounts and notes receivable - net	1,172.2	1,007.9
Inventories - net	271.0	84.8
Prepaid income taxes	33.4
Deferred income taxes	60.0
Assets held for sale	6.2
Other	92.4	12.5
Total current assets	3,479.5	2,939.3
Property, plant and equipment - net	4,101.7	2,892.4
Investments in and advances to affiliates	925.8	935.2
Due from affiliates	1.7	1.8
Goodwill	2,095.8	2,063.6
Other assets	184.8	121.4
Total assets	10,789.3	8,953.7
Current liabilities:
Accounts payable and notes payable and accrued expenses	715.9	159.3
Income taxes payable	45.1	829.2
Customer advances	120.6	132.8
Notes payable		14.6
Distributions payable to noncontrolling interest		15.7
Other	84.9	1.1
Total current liabilities	966.5	1,152.7
Deferred income taxes	982.9	989.5
Other noncurrent liabilities	325.6	140.3
Stockholders' equity:
Preferred stock	16.4	65.3
Common stock	1.1	154.3
Paid-in capital	7,823.0	4,493.6
Retained earnings	354.5	1,598.3
Accumulated other comprehensive income (loss)	(43.0)	(2.9)
Total stockholders' equity	8,152.0	6,308.6
Noncontrolling interest	362.3	362.6
Total equity	8,514.3	6,671.2
Total liabilities and equity	10,789.3	8,953.7
Eliminations
Current assets:
Accounts and notes receivable - net	(1,228.4)	(935.6)
Income taxes receivable		(642.1)
Prepaid income taxes	(0.9)
Total current assets	(1,229.3)	(1,577.7)
Deferred income taxes	(149.7)	(50.7)
Investments in and advances to affiliates	(13,354.3)	(11,622.5)
Due from affiliates	(572.4)	(572.5)
Total assets	(15,305.7)	(13,823.4)
Current liabilities:
Accounts payable and notes payable and accrued expenses	(546.6)	(15.4)
Income taxes payable	(0.9)	(642.1)
Notes payable		(909.6)
Distributions payable to noncontrolling interest		(10.4)
Other	(690.7)
Total current liabilities	(1,238.2)	(1,577.5)
Deferred income taxes	(149.7)	(50.7)
Due to affiliates	(572.4)	(572.5)
Stockholders' equity:
Preferred stock	(16.4)	(65.3)
Common stock	(1.1)	(154.3)
Paid-in capital	(7,810.4)	(5,233.3)
Retained earnings	(5,603.1)	(6,239.7)
Accumulated other comprehensive income (loss)	85.6	52.5
Total stockholders' equity	(13,345.4)	(11,640.1)
Noncontrolling interest		17.4
Total equity	(13,345.4)	(11,622.7)
Total liabilities and equity	$ (15,305.7)	$ (13,823.4)