Annual report pursuant to Section 13 and 15(d)

Defined Contribution Benefit Plans (Details)

v3.22.0.1
Defined Contribution Benefit Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Wyndham Hotels Defined Contribution Plans      
Defined Contribution Plan Disclosure [Line Items]      
Defined contribution plan, cost $ 10 $ 10 $ 10