Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

+ Details

Name:	us-gaap_PaymentsForRestructuring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of positions eliminated during the period as a result of restructuring activities.

+ References

No definition available.

+ Details

Name:	us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-18

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482047/420-10-45-3

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 21
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-21

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-6

+ Details

Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

+ Details

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_RestructuringReserveRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=wh_HotelFranchisingSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementOfFinancialPositionLocationBalanceAxis=us-gaap_AccruedLiabilitiesCurrent
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementOfFinancialPositionLocationBalanceAxis=us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=wh_A2025RestructuringPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=wh_A2025GlobalCostBasisAndStreamliningPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=wh_A2026RestructuringPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=wh_A2024RestructuringPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_FacilityClosingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Other Expenses and Charges - Restructuring Activity (Details) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2026 USD ($)	Mar. 31, 2026 USD ($) employee	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) employee	Sep. 30, 2025 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance		$ 8		$ 8	$ 5
Restructuring Charges	$ 2		$ 2	12	16
Payments for Restructuring				(13)	(10)
Ending balance	7		11	7	11
Hotel Franchising Segment
Restructuring Reserve [Roll Forward]
Restructuring Charges				3
Corporate Segment
Restructuring Reserve [Roll Forward]
Restructuring Charges				9
Balance Sheet Location [Axis]: us-gaap:AccruedLiabilitiesCurrent
Restructuring Reserve [Roll Forward]
Ending balance	5			5
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Restructuring Reserve [Roll Forward]
Ending balance	2			2
2025 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance		$ 8		8	0
Restructuring Charges				4	16
Payments for Restructuring				(7)	(6)
Ending balance	5		10	5	10
2025 Global Cost Basis and Streamlining Plan
Restructuring Reserve [Roll Forward]
Restructuring Charges			2	4	16
2025 Global Cost Basis and Streamlining Plan \| Hotel Franchising Segment
Restructuring Reserve [Roll Forward]
Number of employees impacted \| employee		202
2026 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance		$ 0		0
Restructuring Charges	2			8
Payments for Restructuring				(6)
Ending balance	2			$ 2
Number of employees impacted \| employee				40
Employee Severance \| 2025 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance		4		$ 4	0
Restructuring Charges				4	11
Payments for Restructuring				(6)	(6)
Ending balance	2		5	2	5
Employee Severance \| 2026 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance		0		0
Restructuring Charges				3
Payments for Restructuring				(2)
Ending balance	1			1
Employee Severance \| 2024 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance					5
Restructuring Charges					0
Payments for Restructuring					(4)
Ending balance			1		1
Facility Closing \| 2025 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance		4		4	0
Restructuring Charges				0	5
Payments for Restructuring				(1)	0
Ending balance	3		$ 5	3	$ 5
Other Restructuring \| 2026 Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance		$ 0		0
Restructuring Charges				5
Payments for Restructuring				(4)
Ending balance	$ 1			$ 1