Cover Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Jan. 31, 2020	Jun. 30, 2019
Document And Entity Information [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
Document Transition Report	false
Entity File Number	001-38432
Entity Registrant Name	Wyndham Hotels & Resorts, Inc.
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	22 Sylvan Way
Entity Address, City or Town	Parsippany,
Entity Address, State or Province	NJ
Entity Tax Identification Number	82-3356232
Entity Address, Postal Zip Code	07054
City Area Code	973
Local Phone Number	753-6000
Title of 12(b) Security	Common Stock, Par Value $0.01 per share
Trading Symbol	WH
Security Exchange Name	NYSE
Entity Well Known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 5,310,000,000
Entity Common Stock, Shares Outstanding		93,695,321
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Central Index Key	0001722684
Current Fiscal Year End Date	--12-31