Noncontrolling Interest - Additional Information (Detail) $ / shares in Units, $ in Thousands												1 Months Ended										3 Months Ended		12 Months Ended
	Sep. 23, 2014 USD ($)	Sep. 23, 2014 HKD / shares	Jun. 06, 2014 USD ($)	Jun. 06, 2014 HKD / shares	Dec. 31, 2013 $ / shares	Nov. 16, 2013 $ / shares	Sep. 23, 2013 USD ($)	Sep. 23, 2013 HKD / shares	Jun. 06, 2013 USD ($)	Jun. 06, 2013 HKD / shares	Feb. 01, 2013 $ / shares	Nov. 30, 2015 $ / shares	Aug. 30, 2015 $ / shares	May. 30, 2015 $ / shares	Feb. 28, 2015 $ / shares	Nov. 30, 2014 $ / shares	May. 31, 2014 $ / shares	Feb. 28, 2014 $ / shares	Aug. 30, 2013 $ / shares	May. 30, 2013 $ / shares	Oct. 31, 2009 shares	Mar. 31, 2015 USD ($)	Mar. 31, 2015 HKD / shares	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Noncontrolling Interest
Subsidiary common stock, shares issued | shares																					1,437,500,000
Percentage of issuance of common stock																					27.70%
Net income attributable to noncontrolling interest																								$ 86,234	$ 231,090	$ 275,505
Dividend paid | $ / shares					$ 3.00	$ 1.00					$ 1	$ 0.5	$ 0.5	$ 0.5	$ 1.5	$ 1.5	$ 1.25	$ 1.5	$ 1	$ 1
Wynn Macau, Limited [Member]
Noncontrolling Interest
Dividend paid | HKD / shares		HKD 0.70		HKD 0.98				HKD 0.50		HKD 1.24													HKD 1.05
Total dividend	$ 469,200		$ 655,800				$ 334,500		$ 828,600													$ 702,600
Cash Dividends Paid to Parent Company	338,700		474,000				241,800		599,100													507,100
Reduction in noncontrolling interest	$ 130,600		$ 181,800				$ 92,700		$ 229,600													$ 195,500