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Document and Entity Information - Jun. 30, 2015 - shares | Total
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Entity Information [Line Items] |
Entity Registrant Name | LOUISIANA-PACIFIC CORP
Entity Central Index Key | 0000060519
Current Fiscal Year End Date | --12-31
Entity Filer Category | Large Accelerated Filer
Document Type | 10-Q
Document Period End Date | Jun. 30, 2015
Document Fiscal Year Focus | 2015
Document Fiscal Period Focus | Q2
Amendment Flag | false
Entity Common Stock, Shares Outstanding | 142,674,258

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