Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.24.0.1
Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
May 14, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (in dollars per share)     $ 19.58  
Stock-based compensation expense $ 39,000,000 $ 33,000,000 $ 28,000,000  
RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 0.4      
Grant date fair value (in dollars per share) $ 72.80 $ 67.90    
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 $ 30,000,000      
Vesting period 4 years      
Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 0.3      
Grant date fair value (in dollars per share) $ 76.56 $ 69.82    
Vested (in shares) 0.0      
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 $ 19,000,000      
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) 4.8