Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 23, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-11693
Entity Registrant Name	LIGHT & WONDER, INC.
Entity Central Index Key	0000750004
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	81-0422894
Entity Address, Address Line One	6601 Bermuda Road
Entity Address, City or Town	Las Vegas
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89119
City Area Code	702
Local Phone Number	897-7150
Title of 12(b) Security	Common Stock, $.001 par value
Trading Symbol	LNW
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 4,860,448,709
Entity Common Stock, Shares Outstanding		89,829,277