Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.21.2
Stock-Based Compensation (Narrative) (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
May 14, 2018
Restructuring Charges          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense   $ 1   $ 1  
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   5.4    
Stock-based compensation expense $ 8 $ 6 $ 13 $ 10