The amount of promissory notes receivable, including accrued interest.

No definition available.

Name:	rh_PromissoryNotesReceivableIncludingAccruedInterest
Namespace Prefix:	rh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents a description of which of the acquiree revenue and earnings, since the date of acquisition which have been included in the income statement of the period, or any of the required pro forma disclosure information disclosures could not be made and the reason why they could not be made, if the acquisition date of a business combination is after the reporting date but before the financial statements are issued.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e7000-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1490-128463

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4926-128472

+ Details

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

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=rh_FourMemberLlcsMember
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- Details

Name:	srt_StatementGeographicalAxis=country_GB
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Subsequent Events (Detail) $ in Millions	1 Months Ended	3 Months Ended
Subsequent Events (Detail) $ in Millions	Dec. 31, 2022 USD ($) property	Oct. 29, 2022
Member LLCs
Subsequent Event [Line Items]
Percent of membership interest held, VIEs		50.00%
Subsequent Event
Subsequent Event [Line Items]
Business Combination, Pro Forma Information, Incomplete Initial Accounting	Due to the close proximity of the acquisition date to the filing date of our Quarterly Report on Form 10-Q for the quarterly period ended October 29, 2022, the accounting for these recently completed VIEs is incomplete. Such information will be included in our Annual Report on Form 10-K for the year ending January 28, 2023.
Subsequent Event \| Member LLCs
Subsequent Event [Line Items]
Promissory notes receivable, including accrued interest \| $	$ 27
Subsequent Event \| Member LLC
Subsequent Event [Line Items]
Percent of membership interest held, VIEs	50.00%
Subsequent Event \| Four Member LLCs [Member]
Subsequent Event [Line Items]
Percent of membership interest held, VIEs	50.00%
Properties owned	3
Subsequent Event \| U.K [Member] \| Four Member LLCs [Member]
Subsequent Event [Line Items]
Properties owned	1