Organization	12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Organization Wynn Resorts, Limited, a Nevada corporation (together with its subsidiaries, "Wynn Resorts" or the "Company") is a developer, owner and operator of destination casino resorts (integrated resorts). In the Macau Special Administrative Region of the People's Republic of China ("Macau"), the Company owns approximately 72% of Wynn Macau, Limited ("WML"), which includes the operations of the Wynn Palace and Wynn Macau resorts (collectively, the "Macau Operations"). In Las Vegas, Nevada, the Company operates and, with the exception of the retail space described below, owns 100% of Wynn Las Vegas, which it also refers to as its Las Vegas Operations. Macau Operations Wynn Palace, which opened on August 22, 2016, features a luxury hotel tower with 1,706 guest rooms, suites and villas, approximately 424,000 square feet of casino space, 13 food and beverage outlets, approximately 37,000 square feet of meeting and convention space, approximately 106,000 square feet of retail space, public attractions, including a performance lake and floral art displays and recreation and leisure facilities. Wynn Macau features two luxury hotel towers with a total of 1,008 guest rooms and suites, approximately 273,000 square feet of casino space, 11 food and beverage outlets, approximately 31,000 square feet of meeting and convention space, approximately 59,000 square feet of retail space, a rotunda show and recreation and leisure facilities. Las Vegas Operations Wynn Las Vegas features two luxury hotel towers with a total of 4,748 guest rooms, suites and villas, approximately 192,000 square feet of casino space, 33 food and beverage outlets, approximately 290,000 square feet of meeting and convention space, approximately 160,000 square feet of retail space (the majority of which is owned and operated under a joint venture of which the Company owns 50.1%), as well as two theaters, three nightclubs and a beach club and recreation and leisure facilities. In December 2016, the Company entered into a joint venture arrangement (the "Retail Joint Venture") with Crown Acquisitions Inc. ("Crown") to own and operate approximately 88,000 square feet of existing retail space. In November 2017, the Company contributed approximately 74,000 square feet of additional retail space to the Retail Joint Venture. The Company opened the additional retail space during the fourth quarter of 2018. For more information on the Retail Joint Venture, see Note 14, "Retail Joint Venture." Development Projects The Company is currently constructing Encore Boston Harbor, an integrated resort in Everett, Massachusetts, adjacent to Boston along the Mystic River. The resort will contain a hotel, a waterfront boardwalk, meeting and convention space, casino space, a spa, retail offerings and food and beverage outlets. The Company expects to open Encore Boston Harbor in mid-2019. The Company is currently constructing approximately 430,000 square feet of additional meeting and convention space at Wynn Las Vegas and has begun design and site preparation for the reconfiguration of the Wynn Las Vegas golf course, which the Company closed in the fourth quarter of 2017. The Company expects to reopen the golf course in the fourth quarter of 2019 and open the additional meeting and convention space in the first quarter of 2020.

Organization

Wynn Resorts, Limited, a Nevada corporation (together with its subsidiaries, "Wynn Resorts" or the "Company") is a developer, owner and operator of destination casino resorts (integrated resorts). In the Macau Special Administrative Region of the People's Republic of China ("Macau"), the Company owns approximately 72% of Wynn Macau, Limited ("WML"), which includes the operations of the Wynn Palace and Wynn Macau resorts (collectively, the "Macau Operations"). In Las Vegas, Nevada, the Company operates and, with the exception of the retail space described below, owns 100% of Wynn Las Vegas, which it also refers to as its Las Vegas Operations.

Macau Operations

Wynn Palace, which opened on August 22, 2016, features a luxury hotel tower with 1,706 guest rooms, suites and villas, approximately 424,000 square feet of casino space, 13 food and beverage outlets, approximately 37,000 square feet of meeting and convention space, approximately 106,000 square feet of retail space, public attractions, including a performance lake and floral art displays and recreation and leisure facilities.

Wynn Macau features two luxury hotel towers with a total of 1,008 guest rooms and suites, approximately 273,000 square feet of casino space, 11 food and beverage outlets, approximately 31,000 square feet of meeting and convention space, approximately 59,000 square feet of retail space, a rotunda show and recreation and leisure facilities.

Las Vegas Operations

Wynn Las Vegas features two luxury hotel towers with a total of 4,748 guest rooms, suites and villas, approximately 192,000 square feet of casino space, 33 food and beverage outlets, approximately 290,000 square feet of meeting and convention space, approximately 160,000 square feet of retail space (the majority of which is owned and operated under a joint venture of which the Company owns 50.1%), as well as two theaters, three nightclubs and a beach club and recreation and leisure facilities.

In December 2016, the Company entered into a joint venture arrangement (the "Retail Joint Venture") with Crown Acquisitions Inc. ("Crown") to own and operate approximately 88,000 square feet of existing retail space. In November 2017, the Company contributed approximately 74,000 square feet of additional retail space to the Retail Joint Venture. The Company opened the additional retail space during the fourth quarter of 2018. For more information on the Retail Joint Venture, see Note 14, "Retail Joint Venture."

Development Projects

The Company is currently constructing Encore Boston Harbor, an integrated resort in Everett, Massachusetts, adjacent to Boston along the Mystic River. The resort will contain a hotel, a waterfront boardwalk, meeting and convention space, casino space, a spa, retail offerings and food and beverage outlets. The Company expects to open Encore Boston Harbor in mid-2019.

The Company is currently constructing approximately 430,000 square feet of additional meeting and convention space at Wynn Las Vegas and has begun design and site preparation for the reconfiguration of the Wynn Las Vegas golf course, which the Company closed in the fourth quarter of 2017. The Company expects to reopen the golf course in the fourth quarter of 2019 and open the additional meeting and convention space in the first quarter of 2020.