Condensed Consolidating Financial Information - Statements of Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Net income	$ 878,000	[1]	$ 860,499	$ 852,844	$ 996,728	$ 769,731	$ 809,298	$ 671,673	$ 703,974	[2]	$ 3,588,071	$ 2,954,676	$ 1,881,813
Currency translation adjustment, net of reclassification adjustment and after tax											(98,414)	(89,976)	172,788
Currency translation adjustment, net of reclassification adjustment and before tax											(98,414)	(89,976)	172,788
Total comprehensive income											3,489,657	2,864,700	2,054,601
Comprehensive income attributable to noncontrolling interests											(746,710)	(647,998)	(361,534)
Comprehensive income attributable to Las Vegas Sands Corp.											2,742,947	2,216,702	1,693,067
Consolidating/Eliminating Entries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income											(5,518,464)	(4,536,540)	(3,135,813)
Currency translation adjustment, net of reclassification adjustment and after tax											180,721	165,092	(312,544)
Currency translation adjustment, net of reclassification adjustment and before tax											180,721	165,092	(312,544)
Total comprehensive income											(5,337,743)	(4,371,448)	(3,448,357)
Comprehensive income attributable to Las Vegas Sands Corp.											(5,337,743)	(4,371,448)	(3,448,357)
Las Vegas Sands Corp. [Member]
Condensed Financial Statements, Captions [Line Items]
Net income											2,840,629	2,305,997	1,524,093
Currency translation adjustment, net of reclassification adjustment and after tax											(97,682)	(89,295)	168,974
Currency translation adjustment, net of reclassification adjustment and before tax											(97,682)	(89,295)	168,974
Total comprehensive income											2,742,947	2,216,702	1,693,067
Comprehensive income attributable to Las Vegas Sands Corp.											2,742,947	2,216,702	1,693,067
Restricted Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income											2,776,416	2,295,751	1,615,982
Currency translation adjustment, net of reclassification adjustment and after tax											(83,039)	(75,797)	143,570
Currency translation adjustment, net of reclassification adjustment and before tax											(83,039)	(75,797)	143,570
Total comprehensive income											2,693,377	2,219,954	1,759,552
Comprehensive income attributable to noncontrolling interests											(2,274)	(2,894)	(2,733)
Comprehensive income attributable to Las Vegas Sands Corp.											2,691,103	2,217,060	1,756,819
Non-Restricted Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income											3,489,490	2,889,468	1,877,551
Currency translation adjustment, net of reclassification adjustment and after tax											(98,414)	(89,976)	172,788
Currency translation adjustment, net of reclassification adjustment and before tax											(98,414)	(89,976)	172,788
Total comprehensive income											3,391,076	2,799,492	2,050,339
Comprehensive income attributable to noncontrolling interests											(744,436)	(645,104)	(358,801)
Comprehensive income attributable to Las Vegas Sands Corp.											$ 2,646,640	$ 2,154,388	$ 1,691,538

[1] The Company received a $90.1 million refund during December 2014 related to a property tax settlement at Marina Bay Sands for the years 2010 through 2014.

[2] The second Sheraton tower of Sands Cotai Central opened in January 2013.