Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements of Comprehensive Income (Loss)
Consolidated net income	$ 50.2us-gaap_ProfitLoss	$ 168.0us-gaap_ProfitLoss	$ 120.5us-gaap_ProfitLoss
Less net income attributable to noncontrolling interest	3.9	2.7
Net income attributable to Axiall	46.3us-gaap_NetIncomeLoss	165.3us-gaap_NetIncomeLoss	120.5us-gaap_NetIncomeLoss
Other comprehensive income (loss:)
Foreign currency translation gain (loss)	(57.7)	(34.7)	8.0
Pensions and OPEB liability adjustments	(168.6)	173.4	(13.4)
Unrealized gain (loss) on derivatives cash flow hedges	(11.8)	(1.4)	0.7
Other comprehensive income (loss), before income taxes	(238.1)	137.3	(4.7)
Provision for (benefit from) income taxes related to other comprehensive income (loss) items	(90.4)us-gaap_OtherComprehensiveIncomeLossTax	49.1us-gaap_OtherComprehensiveIncomeLossTax	(1.0)us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive income (loss), net of tax	(147.7)	88.2	(3.7)
Other comprehensive loss, attributable to noncontrolling interest net of tax	(7.7)
Other comprehensive income (loss) attributable to Axiall, net of tax	(140.0)	88.2	(3.7)
Comprehensive income (loss), net of income taxes	(97.5)	256.2	116.8
Less comprehensive income (loss) attributable to noncontrolling interest	(3.8)	2.7
Comprehensive income (loss) attributable to Axiall	$ (93.7)us-gaap_ComprehensiveIncomeNetOfTax	$ 253.5us-gaap_ComprehensiveIncomeNetOfTax	$ 116.8us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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