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Commitments and Contingencies (Details) $ in Millions	Dec. 31, 2022 USD ($) hotel	Nov. 01, 2021 USD ($)
Loss Contingencies [Line Items]
Limited payment guaranties	$ 5.7
Other commitment	$ 1.8
Radisson Hotels Americas | Affiliated Entity
Loss Contingencies [Line Items]
Number of hotels managed | hotel	8
Maximum amount of guarantee		$ 22.0
Forgivable Notes Receivable
Loss Contingencies [Line Items]
Other commitment	$ 330.4
Capital Contribution to Joint Venture
Loss Contingencies [Line Items]
Other commitment	$ 14.1

X

- Definition

Limited Payment Guaranties

+ References

No definition available.

+ Details

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

X

- 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

+ Details

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Period Type:	instant

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- 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

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

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
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Balance Type:
Period Type:

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- Details

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Balance Type:
Period Type:

X

- Details

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