Organization and Business of Company (Detail)					12 Months Ended	1 Months Ended					1 Months Ended																						12 Months Ended																						12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2014 MACAO [MEMBER]	Mar. 31, 2014 Secured Debt [Member] 2011 VML Credit Facility Extended Term [Member] MACAO [MEMBER] USD ($)	Mar. 31, 2014 Secured Debt [Member] 2011 VML Credit Facility Extended Revolving [Member] MACAO [MEMBER] USD ($)	Aug. 31, 2014 Secured Debt [Member] 2012 Singapore Credit Facility Term [Member] SINGAPORE [Member]	Jun. 30, 2012 Secured Debt [Member] 2012 Singapore Credit Facility Term [Member] SINGAPORE [Member] USD ($)	Jun. 30, 2012 Secured Debt [Member] 2012 Singapore Credit Facility Term [Member] SINGAPORE [Member] SGD	Aug. 31, 2014 Secured Debt [Member] 2012 Singapore Credit Facility Revolving [Member] SINGAPORE [Member]	Jun. 30, 2012 Secured Debt [Member] 2012 Singapore Credit Facility Revolving [Member] SINGAPORE [Member] USD ($)	Jun. 30, 2012 Secured Debt [Member] 2012 Singapore Credit Facility Revolving [Member] SINGAPORE [Member] SGD	Dec. 31, 2014 Las Vegas Condo Tower [Member] UNITED STATES [Member] USD ($)	Dec. 31, 2014 Cotai Strip [Member] MACAO [MEMBER] acre	Dec. 31, 2014 The Venetian Macao [Member] MACAO [MEMBER] Floors	Dec. 31, 2014 The Venetian Macao [Member] MACAO [MEMBER] Minimum [Member] Room	Dec. 31, 2014 The Venetian Macao [Member] Gaming Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 The Venetian Macao [Member] Arena [Member] MACAO [MEMBER] Seat	Dec. 31, 2014 The Venetian Macao [Member] Theater [Member] MACAO [MEMBER] Seat	Dec. 31, 2014 The Venetian Macao [Member] Retail And Dining Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 The Venetian Macao [Member] Convention Center And Meeting Room Complex [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Sands Cotai Central [Member] MACAO [MEMBER] USD ($)	Dec. 31, 2014 Sands Cotai Central [Member] Gaming Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Sands Cotai Central [Member] Retail, Dining And Entertainment Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Sands Cotai Central [Member] Convention And Meeting Facilities [Member] MACAO [MEMBER] Minimum [Member] sqft	Dec. 31, 2014 Sands Cotai Central [Member] Conrad and Holiday Inn Tower [Member] Gaming Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Sands Cotai Central [Member] Conrad and Holiday Inn Tower [Member] Convention And Meeting Facilities [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Sands Cotai Central [Member] Conrad and Holiday Inn Tower [Member] Five Star Rooms [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Sands Cotai Central [Member] Conrad and Holiday Inn Tower [Member] Four Star Rooms [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Sands Cotai Central [Member] First Sheraton Tower [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Sands Cotai Central [Member] Second Sheraton Tower [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Sands Cotai Central [Member] St. Regis Tower [Member] MACAO [MEMBER] USD ($)	Dec. 31, 2014 Four Seasons Macao [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Four Seasons Macao [Member] Gaming Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Four Seasons Macao [Member] Paiza Mansion [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Four Seasons Macao [Member] Retail [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Four Seasons Macao [Member] Apart Hotel [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Sands Macao [Member] MACAO [MEMBER] Room	Dec. 31, 2014 Sands Macao [Member] Gaming Space [Member] MACAO [MEMBER] sqft	Dec. 31, 2014 Marina Bay Sands [Member] SINGAPORE [Member] Floors Room hotel_tower	Dec. 31, 2014 Marina Bay Sands [Member] Gaming Space [Member] SINGAPORE [Member] sqft	Dec. 31, 2014 Marina Bay Sands [Member] Retail, Dining And Entertainment Space [Member] SINGAPORE [Member] sqft	Dec. 31, 2014 Marina Bay Sands [Member] Convention Center And Meeting Room Complex [Member] SINGAPORE [Member] sqft	Dec. 31, 2014 Las Vegas Operating Properties [Member] UNITED STATES [Member] Room	Dec. 31, 2014 Las Vegas Operating Properties [Member] Gaming Space [Member] UNITED STATES [Member] sqft	Dec. 31, 2014 Las Vegas Operating Properties [Member] Convention And Meeting Facilities [Member] UNITED STATES [Member] sqft	Dec. 31, 2014 Las Vegas Operating Properties [Member] Sands Expo Center [Member] Convention Center And Meeting Room Complex [Member] UNITED STATES [Member] sqft	Dec. 31, 2014 Sands Bethlehem [Member] UNITED STATES [Member] Room	Dec. 31, 2014 Sands Bethlehem [Member] Gaming Space [Member] UNITED STATES [Member] sqft	Dec. 31, 2014 Sands Bethlehem [Member] Retail [Member] UNITED STATES [Member] sqft	Dec. 31, 2014 Sands Bethlehem [Member] Multipurpose Event Center [Member] UNITED STATES [Member] sqft	Dec. 31, 2014 Sands Bethlehem [Member] Sands Bethworks Gaming LLC [Member] UNITED STATES [Member]	Dec. 31, 2014 Sands Bethlehem [Member] Sands Bethworks Retail LLC [Member] UNITED STATES [Member] Minimum [Member]	Dec. 31, 2014 The Parisian Macao [Member] MACAO [MEMBER] USD ($) Room
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Ownership interest in Sands China Ltd., percentage					70.10%
Gaming subconcession, period					20 years
Area of property (in acres)															140
Number of floors																39																									55
Number of hotel rooms																	2,900												600	1,200	1,800	2,100		360		19			289		2,600				7,100				300						3,000
Number of towers																																									3
Area of real estate property (square feet)																		376,000			925,000	1,200,000		370,000	800,000	550,000	230,000	350,000							105,000		258,000	1,000,000		241,000		160,000	800,000	1,200,000		225,000	1,100,000	1,200,000		145,000	150,000	50,000
Number of seats																			15,000	1,800
Expected cost to complete																																	$ 550,000,000																						$ 2,700,000,000
Capitalized costs														178,600,000									4,470,000,000																																804,300,000
Outstanding construction payables	270,929,000	241,560,000																					70,300,000																																90,200,000
Economic interest in subsidiary, percentage																																																					86.00%	35.00%
Cash and cash equivalents	3,506,319,000	3,600,414,000	2,512,766,000	3,902,718,000
Restricted cash and cash equivalents	6,600,000
Debt instrument, maturity date						Mar. 31, 2020	Mar. 31, 2020	Aug. 28, 2020			Feb. 28, 2020
Debt instrument, face value						$ 2,390,000,000	$ 2,000,000,000		$ 3,480,000,000	4,600,000,000		$ 378,000,000	500,000,000