XML 11 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6

Basis For Presentation (Details) (Maximum [Member])	6 Months Ended
	Jun. 30, 2012
Maximum [Member]
Percentage Used To Determine Noncontrolling Interest Presentation	1.00

X

- Definition

Percentage Used To Determine Noncontrolling Interest Presentation

+ References

No definition available.

+ Details

Name:	lpx_PercentageUsedToDetermineNoncontrollingInterestPresentation
Namespace Prefix:	lpx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration