Condensed Consolidating Financial Information (Details 1) (USD $) In Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Casino		$ 1,903,142	$ 1,573,851	$ 5,429,903	$ 3,929,922
Rooms		262,352	208,160	734,022	579,709
Food and beverage		147,223	117,186	438,632	314,344
Convention, retail and other		223,841	147,179	589,138	370,660
Gross revenue		2,536,558	2,046,376	7,191,695	5,194,635
Less-promotional allowances		(127,183)	(137,604)	(325,305)	(356,499)
Net revenues		2,409,375	1,908,772	6,866,390	4,838,136
Operating expenses:
Casino		993,378	882,178	2,889,327	2,367,760
Rooms		53,493	36,866	152,679	100,593
Food and beverage		71,781	50,906	216,619	143,007
Convention, retail and other		99,229	70,603	291,498	194,333
Provision for doubtful accounts		33,953	37,833	92,507	72,986
General and administrative		240,672	193,476	674,718	492,654
Corporate expense		54,031	28,686	133,983	78,116
Rental expense		10,143	9,186	33,333	30,690
Pre-opening expense		15,823	10,107	43,472	97,684
Development expense		3,308	425	6,301	1,258
Depreciation and amortization		200,071	186,738	596,469	510,521
Impairment loss			16,057		16,057
Loss on disposal of assets		937	2,406	8,879	40,577
Total operating expenses		1,776,819	1,525,467	5,139,785	4,146,236
Operating income (loss)		632,556	383,305	1,726,605	691,900
Other income (expense):
Interest income		2,369	2,661	8,444	6,367
Interest expense, net of amounts capitalized		(70,761)	(76,723)	(214,938)	(231,875)
Other income (expense)		(6,617)	6,444	(9,384)	(6,205)
Loss on modification or early retirement of debt	(21,500)		(21,692)		(18,555)
Income before income taxes		557,547	293,995	1,510,727	441,632
Income tax expense		(52,375)	(25,161)	(151,960)	(46,436)
Net income		505,172	268,834	1,358,767	395,196
Net income attributable to noncontrolling interests		(80,293)	(54,337)	(233,928)	(121,311)
Net income attributable to Las Vegas Sands Corp.		424,879	214,497	1,124,839	273,885
Las Vegas Sands Corp. [Member]
Revenues:
Less-promotional allowances		(167)	(128)	(502)	(375)
Net revenues		(167)	(128)	(502)	(375)
Operating expenses:
Corporate expense		48,539	24,931	118,588	67,238
Pre-opening expense			178		535
Development expense		3,308	425	6,301	1,258
Depreciation and amortization		4,654	3,295	13,315	9,331
Loss on disposal of assets			0	7,663	0
Total operating expenses		56,501	28,829	145,867	78,362
Operating income (loss)		(56,668)	(28,957)	(146,369)	(78,737)
Other income (expense):
Interest income		416	1,174	3,504	2,493
Interest expense, net of amounts capitalized		(3,453)	(3,505)	(10,353)	(11,669)
Other income (expense)			(1,500)		(1,500)
Loss on modification or early retirement of debt					3,358
Income from equity investments in subsidiaries		461,957	240,507	1,233,759	376,674
Income before income taxes		402,252	207,719	1,080,541	290,619
Income tax expense		22,627	6,778	44,298	(16,734)
Net income		424,879	214,497	1,124,839	273,885
Net income attributable to Las Vegas Sands Corp.		424,879	214,497	1,124,839	273,885
Guarantor Subsidiaries [Member]
Revenues:
Casino		124,258	116,554	312,504	374,801
Rooms		114,046	105,649	339,851	345,885
Food and beverage		43,675	34,304	141,555	119,099
Convention, retail and other		74,333	63,501	208,032	158,593
Gross revenue		356,312	320,008	1,001,942	998,378
Less-promotional allowances		(20,007)	(39,908)	(53,850)	(131,352)
Net revenues		336,305	280,100	948,092	867,026
Operating expenses:
Casino		71,088	73,740	195,274	228,572
Rooms		35,589	24,218	101,818	72,469
Food and beverage		22,711	15,144	69,661	51,481
Convention, retail and other		20,069	18,206	62,783	56,043
Provision for doubtful accounts		260	5,681	6,851	23,376
General and administrative		65,396	62,389	189,830	182,424
Corporate expense		58	47	196	179
Pre-opening expense			3	15	6
Depreciation and amortization		55,669	55,345	172,282	171,475
Loss on disposal of assets			322	2,027	9,026
Total operating expenses		270,840	255,095	800,737	795,051
Operating income (loss)		65,465	25,005	147,355	71,975
Other income (expense):
Interest income		29,268	23,131	81,722	65,164
Interest expense, net of amounts capitalized		(24,704)	(26,172)	(70,638)	(82,880)
Other income (expense)		(2,145)	725	(1,873)	454
Loss on modification or early retirement of debt			(21,692)		(21,692)
Income from equity investments in subsidiaries		393,673	213,614	1,039,759	322,268
Income before income taxes		461,557	214,611	1,196,325	355,289
Income tax expense		(16,715)	3,285	(43,736)	2,555
Net income		444,842	217,896	1,152,589	357,844
Net income attributable to noncontrolling interests		(487)	0	(1,779)	0
Net income attributable to Las Vegas Sands Corp.		444,355	217,896	1,150,810	357,844
Non-Guarantor Subsidiaries [Member]
Revenues:
Casino		1,778,884	1,457,297	5,117,399	3,555,121
Rooms		148,306	102,511	394,171	233,824
Food and beverage		103,548	82,882	297,077	195,245
Convention, retail and other		188,250	115,858	484,375	264,010
Gross revenue		2,218,988	1,758,548	6,293,022	4,248,200
Less-promotional allowances		(106,606)	(96,626)	(269,774)	(222,500)
Net revenues		2,112,382	1,661,922	6,023,248	4,025,700
Operating expenses:
Casino		922,953	809,234	2,695,844	2,141,160
Rooms		17,904	12,648	50,861	28,125
Food and beverage		50,569	37,141	151,421	96,127
Convention, retail and other		85,766	56,582	245,578	148,597
Provision for doubtful accounts		33,693	32,152	85,656	49,610
General and administrative		175,480	131,400	485,447	311,081
Corporate expense		35,607	30,141	95,971	47,132
Rental expense		10,143	9,186	33,333	30,690
Pre-opening expense		15,823	9,942	43,457	97,193
Depreciation and amortization		139,748	128,098	410,872	329,715
Impairment loss			16,057		16,057
Loss on disposal of assets		937	2,084	(811)	31,551
Total operating expenses		1,488,623	1,274,665	4,297,629	3,327,038
Operating income (loss)		623,759	387,257	1,725,619	698,662
Other income (expense):
Interest income		1,769	1,151	4,362	2,507
Interest expense, net of amounts capitalized		(71,688)	(69,841)	(215,091)	(201,123)
Other income (expense)		(4,472)	7,219	(7,511)	(5,159)
Loss on modification or early retirement of debt					(221)
Income before income taxes		549,368	325,786	1,507,379	494,666
Income tax expense		(58,287)	(35,224)	(152,522)	(32,257)
Net income		491,081	290,562	1,354,857	462,409
Net income attributable to noncontrolling interests		(79,806)	(54,337)	(232,149)	(121,311)
Net income attributable to Las Vegas Sands Corp.		411,275	236,225	1,122,708	341,098
Consolidating/ Eliminating Entries [Member]
Revenues:
Convention, retail and other		(38,742)	(32,180)	(103,269)	(51,943)
Gross revenue		(38,742)	(32,180)	(103,269)	(51,943)
Less-promotional allowances		(403)	(942)	(1,179)	(2,272)
Net revenues		(39,145)	(33,122)	(104,448)	(54,215)
Operating expenses:
Casino		(663)	(796)	(1,791)	(1,972)
Rooms			0		(1)
Food and beverage		(1,499)	(1,379)	(4,463)	(4,601)
Convention, retail and other		(6,606)	(4,185)	(16,863)	(10,307)
General and administrative		(204)	(313)	(559)	(851)
Corporate expense		(30,173)	(26,433)	(80,772)	(36,433)
Pre-opening expense			(16)		(50)
Total operating expenses		(39,145)	(33,122)	(104,448)	(54,215)
Operating income (loss)			0	0	0
Other income (expense):
Interest income		(29,084)	(22,795)	(81,144)	(63,797)
Interest expense, net of amounts capitalized		29,084	22,795	81,144	63,797
Income from equity investments in subsidiaries		(855,630)	(454,121)	(2,273,518)	(698,942)
Income before income taxes		(855,630)	(454,121)	(2,273,518)	(698,942)
Net income		(855,630)	(454,121)	(2,273,518)	(698,942)
Net income attributable to Las Vegas Sands Corp.		$ (855,630)	$ (454,121)	$ (2,273,518)	$ (698,942)