Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 118			$ 129			$ 119	$ 898
Net loss attributed to non-controlling interest	0			0			0	1
Income from continuing operations attributed to LP	118			129			119	898
Income from discontinued operations, net of income taxes	0			97			0	196
Net Income (Loss) Attributable to Parent	$ 118	$ (20)	$ 21	$ 226	$ 384	$ 484	$ 119	$ 1,094
Basic (in shares)	72			74			72	80
Dilutive effect of employee stock plans	0			0			0	1
Diluted (in shares)	72			74			72	80
Income per share continuing operations - basic (in dollars per share)	$ 1.63			$ 1.75			$ 1.65	$ 11.23
Income per share discontinued operations - basic (in dollars per share)	0			1.32			0	2.45
Net income per share - basic (in dollars per share)	1.63			3.07			1.65	13.67
Income per share continuing operations - diluted (in dollars per share)	1.63			1.74			1.65	11.16
Income per share discontinued operations - diluted (in dollars per share)	0			1.31			0	2.43
Net income per share - diluted (in dollars per share)	$ 1.63			$ 3.05			$ 1.65	$ 13.59