Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Net revenues		$ 3,303	$ 3,109	$ 6,882	$ 6,176
Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues	[1]	(58)	(58)	(122)	(114)
Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		2,118	1,798	4,278	3,647
Macao [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues		(7)	(7)	(14)	(13)
United States [Member]
Disaggregation of Revenue [Line Items]
Net revenues		538	535	1,149	1,119
Casino [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		2,346	2,243	4,945	4,400
Net revenues		2,346	2,243	4,945	4,400
Casino [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	[1]	0	0	0	0
Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		1,673	1,386	3,382	2,825
Casino [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		179	206	417	432
Rooms [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		418	367	863	765
Net revenues		418	367	863	765
Rooms [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	[1]	0	0	0	0
Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		172	148	357	297
Rooms [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		153	139	313	294
Food and Beverage [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		219	195	447	407
Net revenues		219	195	447	407
Food and Beverage [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	[1]	0	0	0	0
Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		71	68	153	139
Food and Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		97	86	191	184
Mall [Member]
Disaggregation of Revenue [Line Items]
Net revenues		164	159	320	316
Mall [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues	[1]	0	0	0	0
Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		121	118	234	236
Mall [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Net revenues		1	1	2	2
Convention, Retail and Other [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		156	145	307	288
Net revenues		156	145	307	288
Convention, Retail and Other [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	[1]	(58)	(58)	(122)	(114)
Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		81	78	152	150
Convention, Retail and Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		108	103	226	207
The Venetian Macao [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		830	674	1,698	1,400
The Venetian Macao [Member] | Macao [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues		(1)	(1)	(2)	(2)
The Venetian Macao [Member] | Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		677	538	1,393	1,134
The Venetian Macao [Member] | Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		52	40	109	82
The Venetian Macao [Member] | Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		18	17	41	34
The Venetian Macao [Member] | Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		56	55	109	106
The Venetian Macao [Member] | Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		27	24	46	44
Sands Cotai Central [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		509	439	1,058	898
Sands Cotai Central [Member] | Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		386	331	804	675
Sands Cotai Central [Member] | Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		78	64	160	129
Sands Cotai Central [Member] | Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		23	24	52	48
Sands Cotai Central [Member] | Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		15	14	29	33
Sands Cotai Central [Member] | Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		7	6	13	13
The Parisian Macao [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		371	353	730	663
The Parisian Macao [Member] | Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		308	285	599	528
The Parisian Macao [Member] | Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		28	31	61	60
The Parisian Macao [Member] | Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		16	15	31	31
The Parisian Macao [Member] | Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		15	17	30	34
The Parisian Macao [Member] | Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		4	5	9	10
The Plaza Macao and Four Seasons Hotel Macao [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		186	135	377	273
The Plaza Macao and Four Seasons Hotel Macao [Member] | Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		136	88	278	180
The Plaza Macao and Four Seasons Hotel Macao [Member] | Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		10	8	19	16
The Plaza Macao and Four Seasons Hotel Macao [Member] | Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		7	6	15	13
The Plaza Macao and Four Seasons Hotel Macao [Member] | Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		33	32	64	63
The Plaza Macao and Four Seasons Hotel Macao [Member] | Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		0	1	1	1
Sands Macao [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		180	156	334	334
Sands Macao [Member] | Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		166	144	308	308
Sands Macao [Member] | Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		4	5	8	10
Sands Macao [Member] | Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		7	6	14	13
Sands Macao [Member] | Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		2	0	2	0
Sands Macao [Member] | Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		1	1	2	3
Ferry Operations and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		42	41	81	79
Ferry Operations and Other [Member] | Macao [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues		(6)	(6)	(12)	(11)
Ferry Operations and Other [Member] | Casino [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		0	0	0	0
Ferry Operations and Other [Member] | Rooms [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		0	0	0	0
Ferry Operations and Other [Member] | Food and Beverage [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		0	0	0	0
Ferry Operations and Other [Member] | Mall [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Net revenues		0	0	0	0
Ferry Operations and Other [Member] | Convention, Retail and Other [Member] | Macao [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		42	41	81	79
Marina Bay Sands [Member] | Singapore [Member]
Disaggregation of Revenue [Line Items]
Net revenues		705	834	1,577	1,524
Marina Bay Sands [Member] | Singapore [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues		(3)	(2)	(5)	(4)
Marina Bay Sands [Member] | Casino [Member] | Singapore [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		494	651	1,146	1,143
Marina Bay Sands [Member] | Rooms [Member] | Singapore [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		93	80	193	174
Marina Bay Sands [Member] | Food and Beverage [Member] | Singapore [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		51	41	103	84
Marina Bay Sands [Member] | Mall [Member] | Singapore [Member]
Disaggregation of Revenue [Line Items]
Net revenues		42	40	84	78
Marina Bay Sands [Member] | Convention, Retail and Other [Member] | Singapore [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		25	22	51	45
Las Vegas Operating Properties [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Net revenues		402	392	879	837
Las Vegas Operating Properties [Member] | United States [Member] | Intercompany Eliminations [Member]
Disaggregation of Revenue [Line Items]
Net revenues		(48)	(49)	(103)	(97)
Las Vegas Operating Properties [Member] | Casino [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		60	81	180	185
Las Vegas Operating Properties [Member] | Rooms [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		149	135	305	286
Las Vegas Operating Properties [Member] | Food and Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		91	79	179	170
Las Vegas Operating Properties [Member] | Mall [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Net revenues		0	0	0	0
Las Vegas Operating Properties [Member] | Convention, Retail and Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		102	97	215	196
Sands Bethlehem [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Net revenues		136	143	270	282
Sands Bethlehem [Member] | Casino [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		119	125	237	247
Sands Bethlehem [Member] | Rooms [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		4	4	8	8
Sands Bethlehem [Member] | Food and Beverage [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		6	7	12	14
Sands Bethlehem [Member] | Mall [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Net revenues		1	1	2	2
Sands Bethlehem [Member] | Convention, Retail and Other [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer		$ 6	$ 6	$ 11	$ 11

[1] Intercompany eliminations include royalties and other intercompany services (see "— Note 8 — Segment Information).