Organization and Business of Company (Details) ft² in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) ft² a hotel_tower Seat Room floor	Mar. 08, 2018 USD ($)
Macao [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gaming subconcession, period	20 years
Expected cost to complete | $	$ 2,200
Macao [Member] | Cotai Strip [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of property (in acres) | a	140
Macao [Member] | The Venetian Macao [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of floors | floor	39
Number of hotel rooms | Room	2,900
Macao [Member] | The Venetian Macao [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	374
Macao [Member] | The Venetian Macao [Member] | Arena [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of seats | Seat	15,000
Macao [Member] | The Venetian Macao [Member] | Theater [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of seats | Seat	1,800
Macao [Member] | The Venetian Macao [Member] | Retail And Dining Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	943
Macao [Member] | The Venetian Macao [Member] | Convention Center And Meeting Room Complex [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	1,200
Macao [Member] | Sands Cotai Central [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Additional number of suites to be constructed | Room	370
Macao [Member] | Sands Cotai Central [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	367
Macao [Member] | Sands Cotai Central [Member] | Conference And Meeting Facilities [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	369
Macao [Member] | Sands Cotai Central [Member] | Retail [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	520
Macao [Member] | Sands Cotai Central [Member] | Conrad and Holiday Inn Tower [Member] | Five Star Rooms [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	650
Macao [Member] | Sands Cotai Central [Member] | Conrad and Holiday Inn Tower [Member] | Four Star Rooms [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	1,200
Macao [Member] | Sands Cotai Central [Member] | First Sheraton Tower [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	1,800
Macao [Member] | Sands Cotai Central [Member] | Second Sheraton Tower [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	2,100
Macao [Member] | Sands Cotai Central [Member] | St. Regis Tower [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	400
Macao [Member] | The Parisian Macao [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	2,500
Macao [Member] | The Parisian Macao [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	253
Macao [Member] | The Parisian Macao [Member] | Theater [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of seats | Seat	1,200
Macao [Member] | The Parisian Macao [Member] | Retail And Dining Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	296
Macao [Member] | The Parisian Macao [Member] | Conference And Meeting Facilities [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	63
Macao [Member] | The Plaza Macao and Four Seasons Hotel Macao [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	360
Additional number of suites to be constructed | Room	290
Macao [Member] | The Plaza Macao and Four Seasons Hotel Macao [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	105
Macao [Member] | The Plaza Macao and Four Seasons Hotel Macao [Member] | Retail [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	242
Macao [Member] | The Plaza Macao and Four Seasons Hotel Macao [Member] | Paiza Mansion [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	19
Macao [Member] | Sands Macao [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	289
Macao [Member] | Sands Macao [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	213
Macao [Member] | Las Vegas Sands Corp. [Member] | Sands China Ltd. [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Ownership interest in Sands China Ltd., percentage	70.00%
Singapore [Member] | Marina Bay Sands [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of floors | floor	55
Number of hotel rooms | Room	2,600
Number of towers | hotel_tower	3
Singapore [Member] | Marina Bay Sands [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	160
Singapore [Member] | Marina Bay Sands [Member] | Convention Center And Meeting Room Complex [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	1,200
Singapore [Member] | Marina Bay Sands [Member] | Retail, Dining And Entertainment Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	800
United States [Member] | Las Vegas Condo Tower [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Capitalized costs | $	$ 129
United States [Member] | Las Vegas Operating Properties [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	7,100
Number of towers | hotel_tower	3
United States [Member] | Las Vegas Operating Properties [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	225
United States [Member] | Las Vegas Operating Properties [Member] | Exhibition and Meeting Facilities [Member] [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	2,300
United States [Member] | Las Vegas Operating Properties [Member] | Conference And Meeting Facilities [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	1,100
United States [Member] | Las Vegas Operating Properties [Member] | Sands Expo Center [Member] | Convention Center And Meeting Room Complex [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	1,200
United States [Member] | Sands Bethlehem [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of hotel rooms | Room	282
Amount of consideration for sale of property | $		$ 1,300
United States [Member] | Sands Bethlehem [Member] | Gaming Space [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	146
United States [Member] | Sands Bethlehem [Member] | Retail [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	150
United States [Member] | Sands Bethlehem [Member] | Multipurpose Event Center [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Area of real estate property (square feet)	50
United States [Member] | Sands Bethworks Gaming LLC [Member] | Sands Bethlehem [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Economic interest in subsidiary, percentage	86.00%
United States [Member] | Sands Bethworks Retail LLC [Member] | Sands Bethlehem [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Economic interest in subsidiary, percentage	35.00%