Segment Information Segment Information - Schedule of Capital Expenditures (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information
Payments to Acquire Property, Plant, and Equipment	$ 1,127,015	$ 506,786	$ 240,985
Las Vegas Operations
Segment Reporting Information
Payments to Acquire Property, Plant, and Equipment	58,813	63,872
Corporate and Other
Segment Reporting Information
Payments to Acquire Property, Plant, and Equipment	41,662	640
Macau
Segment Reporting Information
Payments to Acquire Property, Plant, and Equipment	1,026,540	442,274
Macau | Macau Operations
Segment Reporting Information
Payments to Acquire Property, Plant, and Equipment	89,039	60,488
Macau | Wynn Palace
Segment Reporting Information
Payments to Acquire Property, Plant, and Equipment	$ 937,501	$ 381,786