Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net sales	$ 4,553.0	$ 2,788.0	$ 2,310.0
Operating costs and expenses:
Cost of sales	(2,482.0)	(1,920.0)	(2,007.0)
Gross Profit	2,070.0	867.0	303.0
Selling, general, and administrative expenses	(241.0)	(211.0)	(230.0)
Loss on impairments	(6.0)	(16.0)	(92.0)
Other operating credits and charges, net	1.0	(4.0)	(1.0)
Income from operations	1,824.0	636.0	(20.0)
Non-operating income (expense):
Interest (expense) income	14.0	19.0	19.0
Investment Income, Net	1.0	4.0	10.0
Other nonoperating items	(16.0)	0.0	6.0
Income before income taxes	1,795.0	621.0	(23.0)
Provision for income taxes	(426.0)	(125.0)	13.0
Equity in unconsolidated affiliate	4.0	1.0	0.0
Income from continuing operations	1,373.0	497.0	(10.0)
Net income	1,373.0	497.0	(10.0)
Net loss attributed to noncontrolling interest	4.0	2.0	5.0
Net income attributed to LP	1,377.0	499.0	(5.0)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ 1,377.0	$ 499.0	$ (5.0)
Basic net income (loss) per share:
Net income per share - diluted	$ 14.19	$ 4.48	$ (0.04)
Diluted net earnings (loss) per share:
Net income per share - diluted	$ 14.09	$ 4.46	$ (0.04)
Weighted average number of shares outstanding - basic	97	111	123
Weighted average number of shares outstanding, diluted	98	112	123