Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2020	Apr. 22, 2020
Cover [Abstract]
Document type	10-Q
Document quarterly report	true
Document period end date	Mar. 31, 2020
Document transition report	false
Entity file number	001-32373
Entity registrant name	LAS VEGAS SANDS CORP.
Entity incorporation, state or country code	NV
Entity tax identification number	27-0099920
Entity address, address line one	3355 Las Vegas Boulevard South
Entity address, city	Las Vegas,
Entity address, state or province	NV
Entity address, postal zip code	89109
City area code	702
Local phone number	414-1000
Title of 12(b) security	Common Stock ($0.001 par value)
Trading symbol	LVS
Security exchange name	NYSE
Entity current reporting status	Yes
Entity interactive data current	Yes
Entity filer category	Large Accelerated Filer
Entity small business	false
Entity emerging growth company	false
Entity shell company	false
Entity common stock, shares outstanding		763,729,715
Entity central index key	0001300514
Current fiscal year end date	--12-31
Document fiscal year focus	2020
Document fiscal period focus	Q1
Amendment flag	false