Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation (Narrative) (Details)

v3.25.4
Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
May 14, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 43,000,000 $ 45,000,000 $ 39,000,000  
Restructuring Charges        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense   2,000,000    
Transaction-related charges        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 2,000,000 $ 2,000,000    
RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 0.3      
Grant date fair value (in dollars per share) $ 87.29 $ 76.55    
Vested (in shares) 0.4      
RSUs | Key Employees And Senior Officers        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Issued During Period, Value, Restricted Stock Award, Gross $ 33,000,000      
Vesting period 4 years      
Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 0.2      
Grant date fair value (in dollars per share) $ 86.17 $ 78.43    
Vested (in shares) 0.2      
Performance Shares | Key Employees And Senior Officers        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Value Of Awards Authorized $ 20,000,000      
Performance Shares | Key Employees And Senior Officers | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Target award percentage 0.00%      
Performance Shares | Key Employees And Senior Officers | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Target award percentage 200.00%      
Wyndham Hotels & Resorts, Inc. 2018 Equity and Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum number of shares approved (in shares)       10.0
Remaining shares available (in shares) 4.3