v3.26.1
Long-Term Debt - Summary of Long-Term Debt - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Debt Instrument [Line Items]          
Long-term debt, gross $ 10,825,466   $ 10,825,466   $ 10,632,410
Long-term debt 10,724,660   10,724,660   10,546,812
Unamortized debt issuance costs and original issue discounts and premium, net 102,769   102,769   118,184
WM Cayman Holdings Limited II | WM Cayman II Revolver, due 2025 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Long-term debt, gross $ 1,142,653   $ 1,142,653   1,149,597
Weighted average interest rate (percent) 4.98%   4.98%    
Available borrowing capacity $ 1,350,000   $ 1,350,000    
WML | WML 4 1/2% Convertible Bonds, due 2029 | Convertible Debt          
Debt Instrument [Line Items]          
Long-term debt, gross 600,000   600,000   600,000
Long-term debt 530,400   530,400    
Unamortized debt issuance costs and original issue discounts and premium, net 69,600   69,600    
Interest expense 6,800 $ 6,800 13,500 $ 13,500  
Amortization of debt issuance costs and discounts 5,600 $ 5,100 11,100 $ 10,100  
WRF | Senior Revolving Credit Facility, Due 2024 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Available borrowing capacity 1,030,000   1,030,000    
Outstanding letters of credit 16,300   16,300    
Proceeds from debt 200,000        
Wynn/CA Plaza Property Owner, LLC And Wynn/CA Property Owner, LLC (The Borrowers) | Retail Term Loan, due 2025 | Term Loan          
Debt Instrument [Line Items]          
Long-term debt, gross $ 600,000   $ 600,000   $ 600,000
SOFR | Retail Term Loan, due 2025 | Term Loan          
Debt Instrument [Line Items]          
Interest rate during period     5.54%    
SOFR | WM Cayman Holdings Limited II | WM Cayman II Revolver, due 2025 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Interest in addition to variable rate     0.10%    
SOFR | WRF | Senior Secured Term Loan          
Debt Instrument [Line Items]          
Interest in addition to variable rate     1.75%    
SOFR | WRF | WRF Credit Facilities          
Debt Instrument [Line Items]          
Weighted average interest rate (percent) 5.39%   5.39%    
SOFR | Wynn/CA Plaza Property Owner, LLC And Wynn/CA Property Owner, LLC (The Borrowers) | Retail Term Loan, due 2025 | Term Loan          
Debt Instrument [Line Items]          
Interest in addition to variable rate     2.15%    
HIBOR or LIBOR | WM Cayman Holdings Limited II | WM Cayman II Revolver, due 2025 | Revolving Credit Facility | Minimum          
Debt Instrument [Line Items]          
Interest in addition to variable rate     1.875%    
HIBOR or LIBOR | WM Cayman Holdings Limited II | WM Cayman II Revolver, due 2025 | Revolving Credit Facility | Maximum          
Debt Instrument [Line Items]          
Interest in addition to variable rate     2.875%    
LIBOR | WM Cayman Holdings Limited II | WM Cayman II Revolver, due 2025 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Interest in addition to variable rate     1.975%    
Long-term debt, gross $ 239,100   $ 239,100    
HIBOR | WM Cayman Holdings Limited II | WM Cayman II Revolver, due 2025 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Interest in addition to variable rate     1.875%    
Long-term debt, gross $ 903,600   $ 903,600