Selected Segment Data (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) operatingSegment	Mar. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | operatingSegment	3
Net sales	$ 724	$ 584
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	108	22
Net income attributed to non-controlling interest	0	(1)
Income from continuing operations attributed to LP	108	21
Provision for income taxes	41	1
Depreciation and amortization	31	28
Stock-based compensation expense	(6)	(4)
Other operating income (expense) exclusive of product discontinuance charges	0	5
Business exit charges	(1)	0
Interest Expense	4	3
Investment income, net of adjustments	6	5
Investment income	6	5
Loss due to settlement	0	6
Other non-operating items	1	(3)
Adjusted EBITDA	182	66
Value-add [Member]
Segment Reporting Information [Line Items]
Net sales	579	487
Siding [Member]
Segment Reporting Information [Line Items]
Net sales	361	331
Adjusted EBITDA	90	67
Siding [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales	361	331
Siding [Member] | Value-add [Member]
Segment Reporting Information [Line Items]
Net sales	359	329
OSB [Member]
Segment Reporting Information [Line Items]
Net sales	313	189
Adjusted EBITDA	90	5
OSB [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales	313	189
OSB [Member] | Value-add [Member]
Segment Reporting Information [Line Items]
Net sales	174	104
South America
Segment Reporting Information [Line Items]
Net sales	47	55
Adjusted EBITDA	10	12
South America | Operating Segments
Segment Reporting Information [Line Items]
Net sales	47	55
South America | Value-add [Member]
Segment Reporting Information [Line Items]
Net sales	46	54
Other [Member]
Segment Reporting Information [Line Items]
Net sales	3	8
Adjusted EBITDA	(1)	(9)
Other [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales	3	8
Other [Member] | Value-add [Member]
Segment Reporting Information [Line Items]
Net sales	0	0
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ (7)	$ (9)