SUPPLEMENTAL GUARANTOR INFORMATION (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended			1 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 28, 2013 9 percent notes	Dec. 31, 2013 Reportable legal entity Parent Company	Dec. 31, 2012 Reportable legal entity Parent Company	Dec. 31, 2011 Reportable legal entity Parent Company	Dec. 31, 2013 Reportable legal entity Eagle Spinco 4.625 Notes, 4.875 Notes and Term Loan Credit Agreement	Dec. 31, 2013 Reportable legal entity Subsidiary Guarantors Excluding Eagle Spinco Inc 4.625 Notes, 4.875 Notes and Term Loan Credit Agreement	Dec. 31, 2012 Reportable legal entity Subsidiary Guarantors Excluding Eagle Spinco Inc 9 percent notes	Dec. 31, 2011 Reportable legal entity Subsidiary Guarantors Excluding Eagle Spinco Inc 9 percent notes	Dec. 31, 2013 Reportable legal entity Subsidiary Guarantors Including Eagle Spinco Inc 4.625 Notes, 4.875 Notes and Term Loan Credit Agreement	Dec. 31, 2012 Reportable legal entity Subsidiary Guarantors Including Eagle Spinco Inc 9 percent notes	Dec. 31, 2011 Reportable legal entity Subsidiary Guarantors Including Eagle Spinco Inc 9 percent notes	Dec. 31, 2013 Reportable legal entity Non-Guarantor Subsidiaries 4.625 Notes, 4.875 Notes and Term Loan Credit Agreement	Dec. 31, 2012 Reportable legal entity Non-Guarantor Subsidiaries 9 percent notes	Dec. 31, 2011 Reportable legal entity Non-Guarantor Subsidiaries 9 percent notes	Dec. 31, 2013 Eliminations	Dec. 31, 2012 Eliminations	Dec. 31, 2011 Eliminations
Supplemental Condensed Consolidating Statement of Income and Comprehensive Income
Net sales	$ 1,134.5	$ 1,197.5	$ 1,272.8	$ 1,061.2	$ 784.7	$ 813.5	$ 867.7	$ 859.9	$ 4,666.0	$ 3,325.8	$ 3,222.9						$ 4,125.1	$ 2,880.8	$ 2,747.1	$ 4,125.1	$ 2,880.8	$ 2,747.1	$ 734.4	$ 611.1	$ 649.7	$ (193.5)	$ (166.1)	$ (173.9)
Operating costs and expenses:
Cost of sales									3,924.5	2,865.4	2,919.6						3,520.8	2,518.0	2,540.6	3,520.8	2,518.0	2,540.6	597.2	513.5	552.9	(193.5)	(166.1)	(173.9)
Selling, general and administrative expenses									299.1	203.5	168.2		41.3	38.1	32.0		181.4	94.5	73.6	181.4	94.5	73.6	76.4	70.9	62.6
Transaction related costs, restructuring and other, net									35.6	38.9	3.3		34.4	35.8			(2.3)	2.6	0.7	(2.3)	2.6	0.7	3.5	0.5	2.6
Long-lived asset impairment charges, net									36.0	(0.8)	8.3		7.5				25.5	(0.8)	3.4	25.5	(0.8)	3.4	3.0		4.9
Gain on sale of assets										(19.3)	(1.1)							(19.3)	(1.1)		(19.3)	(1.1)
Total operating costs and expenses									4,295.2	3,087.7	3,098.3		83.2	73.9	32.0		3,725.4	2,595.0	2,617.2	3,725.4	2,595.0	2,617.2	680.1	584.9	623.0	(193.5)	(166.1)	(173.9)
Operating income	96.9	78.1	124.6	71.2	67.6	73.9	28.4	68.2	370.8	238.1	124.6		(83.2)	(73.9)	(32.0)		399.7	285.8	129.9	399.7	285.8	129.9	54.3	26.2	26.7
Other income (expense):
Interest income (expense), net									(76.6)	(57.1)	(65.3)		(45.7)	(89.9)	(77.1)	(45.8)	37.7	56.3	35.9	(8.1)	56.3	35.9	(22.8)	(23.5)	(24.1)
Loss on redemption and other debt costs									(78.5)	(2.7)	(4.9)	(2.2)	(66.1)	(2.7)	(4.9)	(12.4)				(12.4)
Gain on acquisition of controlling interest									25.9								25.9			25.9
Foreign exchange gain (loss)										(0.6)	(0.9)			0.2				(0.1)			(0.1)			(0.7)	(0.9)
Equity in income of subsidiaries													293.1	233.3	180.8	114.3	22.6	0.7	(0.4)	22.6	0.7	(0.4)				(315.7)	(234.0)	(180.4)
Income before income taxes									241.6	177.7	53.5		98.1	67.0	66.8	56.1	485.9	342.7	165.4	427.7	342.7	165.4	31.5	2.0	1.7	(315.7)	(234.0)	(180.4)
Provision for (benefit from) income taxes									73.6	57.2	(4.2)		(67.2)	(53.5)	9.0	(19.7)	157.1	115.2	6.2	137.4	115.2	6.2	3.4	(4.5)	(19.4)
Consolidated net income	57.8	39.3	73.7	(2.8)	32.3	39.3	13.6	35.3	168.0	120.5	57.7		165.3	120.5	57.8	75.8	328.8	227.5	159.2	290.3	227.5	159.2	28.1	6.5	21.1	(315.7)	(234.0)	(180.4)
Less net income attributable to noncontrolling interest									2.7														2.7
Net income attributable to Axiall									165.3	120.5	57.7		165.3	120.5	57.8	75.8	328.8	227.5	159.2	290.3	227.5	159.2	25.4	6.5	21.1	(315.7)	(234.0)	(180.4)
Comprehensive income attributable to Axiall									$ 253.5	$ 116.8	$ 39.7		$ 253.5	$ 116.8	$ 39.7	$ 165.7	$ 479.3	$ 219.9	$ 145.1	$ 429.0	$ 219.9	$ 145.1	$ 19.8	$ 4.1	$ 23.6	$ (448.8)	$ (224.0)	$ (168.7)