Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (21)		$ 348		$ 1	$ 769
Net loss attributed to non-controlling interest	1		0		0	1
Income from continuing operations attributed to LP	(20)		348		1	770
Income from discontinued operations, net of income taxes	0		37		0	99
Net Income (Loss) Attributable to Parent	$ (20)	$ 21	$ 384	$ 484	$ 1	$ 868
Basic (in shares)	72		81		72	83
Dilutive effect of employee stock plans	0		0		0	1
Diluted (in shares)	72		81		72	84
Income per share continuing operations - basic (in dollars per share)	$ (0.28)		$ 4.30		$ 0.02	$ 9.25
Income per share discontinued operations - basic (in dollars per share)	0		0.46		0	1.18
Net income per share - basic (in dollars per share)	(0.28)		4.76		0.02	10.43
Income per share continuing operations - diluted (in dollars per share)	(0.28)		4.28		0.02	9.19
Income per share discontinued operations - diluted (in dollars per share)	0		0.45		0	1.18
Net income per share - diluted (in dollars per share)	$ (0.28)		$ 4.73		$ 0.02	$ 10.36