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Commitments and Contingencies (Details) $ in Millions	Sep. 30, 2024 USD ($) hotel
Commitments and Contingencies [Line Items]
Limited payment guaranties	$ 17.6
Number of hotels managed | hotel	13
Maximum
Commitments and Contingencies [Line Items]
Other commitment	$ 7.3
Radisson Hotels Americas | Affiliated Entity
Commitments and Contingencies [Line Items]
Number of hotels managed | hotel	7
Maximum amount of guarantee	$ 22.0

X

- Definition

Commitments and Contingencies Disclosures [Line Items]

+ References

No definition available.

+ Details

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Namespace Prefix:	chh_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Limited Payment Guaranties

+ References

No definition available.

+ Details

Name:	chh_LimitedPaymentGuaranties
Namespace Prefix:	chh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Number Of Hotels Managed

+ References

No definition available.

+ Details

Name:	chh_NumberOfHotelsManaged
Namespace Prefix:	chh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

+ Details

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

X

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=chh_RadissonHotelsAmericasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: