Amount of merger inventory fair value purchase accounting adjustment.

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The amount charged during the reporting period for expenses associated with the mergers.

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Represents the amount of acquisition cost of a business combination allocated to income taxes payable.

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No definition available.

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The amount of acquisition cost of a business combination allocated to other accrued taxes of the acquired entity.

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Amount of accrued compensation due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of pension and other postretirement benefits due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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No definition available.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The amount of inventory recognized as of the acquisition date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Number of shares of stock issued during the period pursuant to acquisitions.

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MERGER WITH THE PPG CHEMICALS BUSINESS (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	12 Months Ended		0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jan. 28, 2013	Dec. 31, 2014
Unaudited pro forma information
Net sales	$ 4,773,700,000	$ 4,977,400,000
Net loss (income) attributable to Axiall	162,700,000	271,800,000
Earnings per share from net income attributable to Axiall - Basic (in dollars per share)	$ 2.33	$ 3.88
Earnings per share from net income attributable to Axiall - Diluted (in dollars per share)	$ 2.31	$ 3.87
Allocation of the purchase price to assets acquired and liabilities assumed
Goodwill	1,763,200,000us-gaap_Goodwill			1,741,000,000us-gaap_Goodwill
Additional disclosures
Estimated gain on acquisition of controlling interest	25,900,000
Merger inventory fair value acquisition accounting adjustment	13,400,000
Bridge loan
Additional disclosures
Financing fees associated with merger	11,000,000
Face amount of debt	688,000,000
Merged Business
Merger with the PPG chemical business
Purchase price			2,800,000,000
Number of shares of common stock issued for acquisition			35.2
Value of shares of common stock issued for acquisition			1,800,000,000
Debt assumed			967,000,000
Goodwill expected to be deductible for tax purposes			5,900,000
Allocation of the purchase price to assets acquired and liabilities assumed
Cash and cash equivalents	26,700,000		26,700,000
Receivables	234,300,000		236,700,000
Inventories	77,100,000		72,000,000
Prepaid expenses and other	7,600,000		11,900,000
Property, plant and equipment	926,900,000		957,300,000
Goodwill	1,572,700,000		1,454,300,000
Intangible assets	1,205,800,000		1,224,200,000
Other assets	42,200,000		42,500,000
Accounts payable	(96,600,000)		(97,800,000)
Income taxes payable	(4,700,000)		(4,700,000)
Accrued compensation	(20,600,000)		(20,600,000)
Other accrued taxes	(200,000)		(12,100,000)
Other accrued liabilities	(62,500,000)		(58,000,000)
Deferred income taxes	(681,400,000)		(614,900,000)
Pension and other postretirement benefits	(252,300,000)		(279,000,000)
Other non-current liabilities	(78,500,000)		(67,900,000)
Debt assumed	(967,000,000)		(967,000,000)
Noncontrolling interest	(130,000,000)		(130,300,000)
Total net assets acquired	1,799,500,000		1,773,300,000
Merged Business \| Measurement Period Adjustments
Allocation of the purchase price to assets acquired and liabilities assumed
Receivables	(2,400,000)
Inventories	5,100,000
Prepaid expenses and other	(4,300,000)
Property, plant and equipment	(30,400,000)
Goodwill	118,400,000
Intangible assets	(18,400,000)
Other assets	(300,000)
Accounts payable	1,200,000
Other accrued taxes	11,900,000
Other accrued liabilities	(4,500,000)
Deferred income taxes	(66,500,000)
Pension and other postretirement benefits	26,700,000
Other non-current liabilities	(10,600,000)
Noncontrolling interest	300,000
Total net assets acquired	26,200,000
Merged Business \| Impact of correction \| Overstatement of certain assets and deferred tax liabilities
Allocation of the purchase price to assets acquired and liabilities assumed
Goodwill				700,000
Total net assets acquired				$ 700,000