Basic and Diluted Net Income (Loss) Attributable to L&W Per Share (Details) - shares shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average shares for basic earnings per share	91	95	96
Weighted average shares for diluted earnings per share	93	95	98
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements (in shares)	0	0	1
Antidilutive securities excluded from computation of earnings per share (in shares)		2
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements (in shares)	2	0	1
Antidilutive securities excluded from computation of earnings per share (in shares)		2