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Noncontrolling Interest - Additional Information (Detail) (Wynn Macau, Limited [Member])
In Millions, except Per Share data, unless otherwise specified
0 Months Ended
Sep. 23, 2014
USD ($)
Sep. 23, 2014
HKD
Jun. 06, 2014
USD ($)
Jun. 06, 2014
HKD
Sep. 23, 2013
USD ($)
Sep. 23, 2013
HKD
Jun. 06, 2013
USD ($)
Jun. 06, 2013
HKD
Noncontrolling Interest [Line Items]                
Dividends paid (HKD per share)   0.70   0.98   0.5   1.24
Dividends paid $ 469.2   $ 655.8   $ 334.5   $ 828.6  
Dividends paid to Wynn Resorts 338.7   474.0   241.8   599.1  
Reduction to noncontrolling interest $ 130.6   $ 181.8   $ 92.7   $ 229.6