Condensed Consolidating Financial Statements (Details 2) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010	Dec. 31, 2009
Current assets:
Cash and cash equivalents	$ 1,426.1	$ 797.7	$ 648.4	$ 697.1
Short-term investments		3.1
Accounts receivable	268.6	238.9
Inventories - net	341.6	270.3
Other	21.6	31.4
Total current assets	2,057.9	1,341.4
Property, plant and equipment - net	3,739.3	3,942.3
Asset retirement obligation funds	95.0	95.0
Investments in and advances to unconsolidated affiliates	985.9	977.1
Investments in auction rate securities	71.1	102.8
Goodwill	2,064.5	2,064.5
Other assets	232.1	230.9
Total assets	9,245.8	8,754.0
Current liabilities:
Accounts payable and accrued expenses	440.4	323.2
Income taxes payable	77.7	62.2
Customer advances	878.2	431.5
Notes payable	4.7	4.9
Deferred income taxes	73.8	38.6
Distributions payable to noncontrolling interest		78.0		92.1
Other	27.7	10.2
Total current liabilities	1,502.5	948.6
Long-term debt	1,613.0	1,954.1
Deferred income taxes	1,029.4	1,074.7
Other noncurrent liabilities	351.1	343.2
Stockholders' equity:
Common stock	0.7	0.7
Paid-in capital	2,779.7	2,732.2
Retained earnings (accumulated deficit)	2,428.2	1,370.8
Treasury Stock	(878.4)
Accumulated other comprehensive income (loss)	(67.4)	(53.3)	(36.1)	(43.2)
Total stockholders' equity	4,262.8	4,050.4
Noncontrolling interest	487.0	383.0	438.2	16.0
Total equity	4,749.8	4,433.4	4,301.9	1,744.9
Total liabilities and equity	9,245.8	8,754.0
Parent
Current assets:
Cash and cash equivalents			0.1
Deferred income taxes		2.2
Total current assets		2.2
Investments in and advances to unconsolidated affiliates	3,151.5	2,106.4
Due from affiliates	1,110.5	1,941.9
Total assets	4,262.0	4,050.5
Current liabilities:
Accounts payable and accrued expenses	(0.8)	0.1
Total current liabilities	(0.8)	0.1
Stockholders' equity:
Common stock	0.7	0.7
Paid-in capital	2,779.7	2,732.2
Retained earnings (accumulated deficit)	2,428.2	1,370.8
Treasury Stock	(878.4)
Accumulated other comprehensive income (loss)	(67.4)	(53.3)
Total stockholders' equity	4,262.8	4,050.4
Total equity	4,262.8	4,050.4
Total liabilities and equity	4,262.0	4,050.5
CFI
Current assets:
Cash and cash equivalents	416.1	136.2	117.2	663.0
Accounts receivable	118.0	540.9
Inventories - net	254.3	177.8
Prepaid income taxes	226.9	18.3
Other	8.0	19.0
Total current assets	1,023.3	892.2
Property, plant and equipment - net	752.6	747.9
Asset retirement obligation funds	95.0	95.0
Investments in and advances to unconsolidated affiliates	5,351.6	4,893.4
Investments in auction rate securities	71.1	102.8
Goodwill	0.9	0.9
Other assets	93.5	111.6
Total assets	7,388.0	6,843.8
Current liabilities:
Accounts payable and accrued expenses	336.5	180.0
Customer advances	608.2	285.4
Notes payable	200.0
Deferred income taxes	73.8	38.6
Distributions payable to noncontrolling interest				92.1
Other	23.1	8.7
Total current liabilities	1,241.6	512.7
Long-term debt	1,600.0	1,941.1
Deferred income taxes	43.0	108.6
Due to affiliates	1,111.3	1,942.8
Other noncurrent liabilities	240.6	232.2
Stockholders' equity:
Paid-in capital	739.8	739.9
Retained earnings (accumulated deficit)	2,479.1	1,419.8
Accumulated other comprehensive income (loss)	(67.4)	(53.3)
Total stockholders' equity	3,151.5	2,106.4
Total equity	3,151.5	2,106.4
Total liabilities and equity	7,388.0	6,843.8
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	333.9	164.0	87.7	188.1
Accounts receivable	268.5	66.3
Inventories - net	62.1	49.3
Other	8.0	6.2
Total current assets	672.5	285.8
Property, plant and equipment - net	1,606.8	1,712.6
Investments in and advances to unconsolidated affiliates	1,349.6	1,193.4
Due from affiliates	1,350.8	1,409.4
Goodwill	2,063.6	2,063.6
Other assets	115.5	100.5
Total assets	7,158.8	6,765.3
Current liabilities:
Accounts payable and accrued expenses	68.8	95.0
Income taxes payable	292.0	83.9
Customer advances	256.2	81.1
Notes payable		452.9
Other		0.5
Total current liabilities	617.0	713.4
Long-term debt	13.0	13.0
Deferred income taxes	823.0	789.7
Other noncurrent liabilities	75.9	76.0
Stockholders' equity:
Common stock	153.1	153.1
Paid-in capital	4,450.2	4,450.2
Retained earnings (accumulated deficit)	653.4	184.4
Accumulated other comprehensive income (loss)	1.9	19.8
Total stockholders' equity	5,258.6	4,807.5
Noncontrolling interest	371.3	365.7
Total equity	5,629.9	5,173.2
Total liabilities and equity	7,158.8	6,765.3
Receivable reported in the current asset		1,409.4
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	676.1	497.5	443.4	389.6
Short-term investments		3.1
Accounts receivable	321.9	256.2
Inventories - net	25.2	43.2
Prepaid income taxes		3.4
Other	5.6	6.2
Total current assets	1,028.8	809.6
Property, plant and equipment - net	1,379.9	1,481.8
Investments in and advances to unconsolidated affiliates	976.4	967.4
Other assets	23.1	18.8
Total assets	3,408.2	3,277.6
Current liabilities:
Accounts payable and accrued expenses	59.9	63.8
Income taxes payable	12.6
Customer advances	13.8	65.0
Notes payable	13.8	14.5
Distributions payable to noncontrolling interest	306.4	224.5
Other	4.6	1.0
Total current liabilities	411.1	368.8
Deferred income taxes	163.4	178.5
Due to affiliates	1,350.0	1,408.5
Other noncurrent liabilities	34.6	35.0
Stockholders' equity:
Preferred stock	65.3	65.3
Common stock	33.2	32.6
Paid-in capital	1,114.1	1,114.6
Retained earnings (accumulated deficit)	242.3	63.4
Accumulated other comprehensive income (loss)	(5.8)	10.9
Total stockholders' equity	1,449.1	1,286.8
Total equity	1,449.1	1,286.8
Total liabilities and equity	3,408.2	3,277.6
Distribution of earnings reported in paid-in capital		105.0
Eliminations
Current assets:
Cash and cash equivalents				(543.6)
Accounts receivable	(439.8)	(624.5)
Prepaid income taxes	(226.9)	(21.7)
Deferred income taxes		(2.2)
Total current assets	(666.7)	(648.4)
Investments in and advances to unconsolidated affiliates	(9,843.2)	(8,183.5)
Due from affiliates	(2,461.3)	(3,351.3)
Total assets	(12,971.2)	(12,183.2)
Current liabilities:
Accounts payable and accrued expenses	(24.0)	(15.7)
Income taxes payable	(226.9)	(21.7)
Notes payable	(209.1)	(462.5)
Distributions payable to noncontrolling interest	(306.4)	(146.5)
Total current liabilities	(766.4)	(646.4)
Deferred income taxes		(2.1)
Due to affiliates	(2,461.3)	(3,351.3)
Stockholders' equity:
Preferred stock	(65.3)	(65.3)
Common stock	(186.3)	(185.7)
Paid-in capital	(6,304.1)	(6,304.7)
Retained earnings (accumulated deficit)	(3,374.8)	(1,667.6)
Accumulated other comprehensive income (loss)	71.3	22.6
Total stockholders' equity	(9,859.2)	(8,200.7)
Noncontrolling interest	115.7	17.3
Total equity	(9,743.5)	(8,183.4)
Total liabilities and equity	$ (12,971.2)	$ (12,183.2)