Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.22.0.1
Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
May 14, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant date fair value (in dollars per share) $ 19.58 $ 8.59 $ 10.46  
Stock-based compensation expense $ 28 $ 21 $ 20  
Separation related costs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense     4  
Restructuring Charges        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense   $ 2 $ 1  
RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 0.7      
Grant date fair value (in dollars per share) $ 60.37 $ 54.15    
Vested (in shares) 0.3      
Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 0.1      
Grant date fair value (in dollars per share) $ 57.51 $ 52.93    
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) 5.4