Condensed Consolidating Financial Information - Statements of Operations (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
Revenues:
Casino											$ 12,004,361	$ 11,386,917	$ 9,008,158
Rooms											1,540,420	1,380,681	1,154,024
Food and beverage											778,769	730,259	628,528
Mall											553,534	481,400	396,927
Convention, retail and other											548,704	515,179	497,032
Gross revenue											15,425,788	14,494,436	11,684,669
Less — promotional allowances											(841,939)	(724,551)	(553,537)
Net revenues	3,415,993	[1]	3,533,122	3,624,350	4,010,384	3,655,685	3,568,540	3,242,941	3,302,719	[2]	14,583,849	13,769,885	11,131,132
Operating expenses:
Casino											6,705,534	6,483,718	5,128,036
Rooms											256,835	271,942	237,303
Food and beverage											392,560	369,570	331,210
Mall											69,732	73,358	68,763
Convention, retail and other											320,759	317,869	304,263
Provision for doubtful accounts											186,722	237,786	239,332
General and administrative											1,258,133	1,329,740	1,061,935
Corporate											174,750	189,535	207,030
Pre-opening											26,230	13,339	143,795
Development											14,325	15,809	19,958
Depreciation and amortization											1,031,589	1,007,468	892,046
Amortization of leasehold interests in land											40,598	40,352	40,165
Impairment loss											0	0	143,674
(Gain) loss on disposal of assets											6,856	11,156	2,240
Total operating expenses											10,484,623	10,361,642	8,819,750
Operating income	1,022,520	[1]	971,421	961,460	1,143,825	886,073	914,826	780,641	826,703	[2]	4,099,226	3,408,243	2,311,382
Other income (expense):
Interest income											25,643	16,337	23,252
Interest expense, net of amounts capitalized											(274,181)	(271,211)	(258,564)
Other income (expense)											1,965	4,321	5,740
Loss on modification or early retirement of debt											(19,942)	(14,178)	(19,234)
Income before income taxes											3,832,711	3,143,512	2,062,576
Income tax benefit (expense)											(244,640)	(188,836)	(180,763)
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
Net income attributable to noncontrolling interests											(747,442)	(648,679)	(357,720)
Net income attributable to Las Vegas Sands Corp.	721,305	[1]	671,705	671,434	776,185	577,539	626,744	529,753	571,961	[2]	2,840,629	2,305,997	1,524,093
Consolidating/Eliminating Entries [Member]
Revenues:
Convention, retail and other											(182,672)	(172,888)	(156,357)
Gross revenue											(182,672)	(172,888)	(156,357)
Less — promotional allowances											(2,227)	(1,885)	(1,638)
Net revenues											(184,899)	(174,773)	(157,995)
Operating expenses:
Casino											(3,226)	(2,992)	(2,489)
Rooms												(4)	(4)
Food and beverage											(4,079)	(4,303)	(4,254)
Convention, retail and other											(31,192)	(26,669)	(20,598)
General and administrative											(977)	(846)	(815)
Corporate											(145,402)	(139,942)	(129,813)
Pre-opening											(1)		(7)
Development											(22)	(17)	(15)
Total operating expenses											(184,899)	(174,773)	(157,995)
Other income (expense):
Interest income											(183,079)	(176,210)	(133,882)
Interest expense, net of amounts capitalized											183,079	176,210	133,882
Income from equity investments in subsidiaries											(5,518,464)	(4,536,540)	(3,135,813)
Income before income taxes											(5,518,464)	(4,536,540)	(3,135,813)
Net income											(5,518,464)	(4,536,540)	(3,135,813)
Net income attributable to Las Vegas Sands Corp.											(5,518,464)	(4,536,540)	(3,135,813)
Las Vegas Sands Corp. [Member]
Revenues:
Less — promotional allowances											(1,279)	(1,455)	(1,109)
Net revenues											(1,279)	(1,455)	(1,109)
Operating expenses:
Corporate											156,775	164,926	188,187
Development											14,210	15,207	19,973
Depreciation and amortization											26,020	26,165	19,921
(Gain) loss on disposal of assets											(42)	(12,641)	(1)
Total operating expenses											196,963	193,657	228,080
Operating income											(198,242)	(195,112)	(229,189)
Other income (expense):
Interest income											180	1,155	281
Interest expense, net of amounts capitalized											(6,442)	(4,269)	(4,841)
Other income (expense)											(791)	(5,282)	(47)
Loss on modification or early retirement of debt													(2,831)
Income from equity investments in subsidiaries											2,919,958	2,416,604	1,705,354
Income before income taxes											2,714,663	2,213,096	1,468,727
Income tax benefit (expense)											125,966	92,901	55,366
Net income											2,840,629	2,305,997	1,524,093
Net income attributable to Las Vegas Sands Corp.											2,840,629	2,305,997	1,524,093
Restricted Subsidiaries [Member]
Revenues:
Casino											509,206	584,372	512,647
Rooms											491,493	472,518	446,241
Food and beverage											201,892	197,371	173,111
Convention, retail and other											320,409	310,276	294,047
Gross revenue											1,523,000	1,564,537	1,426,046
Less — promotional allowances											(88,929)	(91,217)	(84,613)
Net revenues											1,434,071	1,473,320	1,341,433
Operating expenses:
Casino											298,641	314,966	288,999
Rooms											139,837	157,497	138,356
Food and beverage											99,427	90,507	85,206
Convention, retail and other											101,983	106,242	84,957
Provision for doubtful accounts											37,059	29,977	28,987
General and administrative											305,279	341,659	268,834
Corporate											1,807	1,264	413
Pre-opening											98	911	1,909
Depreciation and amortization											183,566	186,871	222,096
(Gain) loss on disposal of assets											7,233	1,823	389
Total operating expenses											1,174,930	1,231,717	1,120,146
Operating income											259,141	241,603	221,287
Other income (expense):
Interest income											178,136	173,203	135,153
Interest expense, net of amounts capitalized											(113,546)	(88,972)	(91,870)
Other income (expense)											(4,732)	(2,322)	792
Loss on modification or early retirement of debt												(14,178)	(1,599)
Income from equity investments in subsidiaries											2,598,506	2,119,936	1,430,459
Income before income taxes											2,917,505	2,429,270	1,694,222
Income tax benefit (expense)											(141,089)	(133,519)	(78,240)
Net income											2,776,416	2,295,751	1,615,982
Net income attributable to noncontrolling interests											(2,274)	(2,894)	(2,733)
Net income attributable to Las Vegas Sands Corp.											2,774,142	2,292,857	1,613,249
Non-Restricted Subsidiaries [Member]
Revenues:
Casino											11,495,155	10,802,545	8,495,511
Rooms											1,048,927	908,163	707,783
Food and beverage											576,877	532,888	455,417
Mall											553,534	481,400	396,927
Convention, retail and other											410,967	377,791	359,342
Gross revenue											14,085,460	13,102,787	10,414,980
Less — promotional allowances											(749,504)	(629,994)	(466,177)
Net revenues											13,335,956	12,472,793	9,948,803
Operating expenses:
Casino											6,410,119	6,171,744	4,841,526
Rooms											116,998	114,449	98,951
Food and beverage											297,212	283,366	250,258
Mall											69,732	73,358	68,763
Convention, retail and other											249,968	238,296	239,904
Provision for doubtful accounts											149,663	207,809	210,345
General and administrative											953,831	988,927	793,916
Corporate											161,570	163,287	148,243
Pre-opening											26,133	12,428	141,893
Development											137	619
Depreciation and amortization											822,003	794,432	650,029
Amortization of leasehold interests in land											40,598	40,352	40,165
Impairment loss													143,674
(Gain) loss on disposal of assets											(335)	21,974	1,852
Total operating expenses											9,297,629	9,111,041	7,629,519
Operating income											4,038,327	3,361,752	2,319,284
Other income (expense):
Interest income											30,406	18,189	21,700
Interest expense, net of amounts capitalized											(337,272)	(354,180)	(295,735)
Other income (expense)											7,488	11,925	4,995
Loss on modification or early retirement of debt											(19,942)		(14,804)
Income before income taxes											3,719,007	3,037,686	2,035,440
Income tax benefit (expense)											(229,517)	(148,218)	(157,889)
Net income											3,489,490	2,889,468	1,877,551
Net income attributable to noncontrolling interests											(745,168)	(645,785)	(354,987)
Net income attributable to Las Vegas Sands Corp.											$ 2,744,322	$ 2,243,683	$ 1,522,564

[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.