XML 53 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9

Investments Investments sold (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Gain (Loss) on Investments [Line Items]
Par Value Available For Sale Securities	$ 23.4lpx_ParValueAvailableForSaleSecurities

X

- Definition

Par Value Available For Sale Securities

+ References

No definition available.

+ Details

Name:	lpx_ParValueAvailableForSaleSecurities
Namespace Prefix:	lpx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration