Line Of Credit, Accordion Feature, Increase Limit

No definition available.

Name:	rost_LineOfCreditAccordionFeatureIncreaseLimit
Namespace Prefix:	rost_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility, Renewal Options

+ References

No definition available.

+ Details

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Namespace Prefix:	rost_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility, Renewal Term

+ References

No definition available.

+ Details

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Namespace Prefix:	rost_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Series Notes

+ References

No definition available.

+ Details

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Namespace Prefix:	rost_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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+ Details

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

- 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.

+ Details

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

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

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-Name Accounting Standards Codification
-Topic 470
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+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=rost_SeniorUnsecuredRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Debt (Narrative) (Details)	1 Months Ended
Debt (Narrative) (Details)	Feb. 28, 2022 USD ($) renewal_option	Apr. 30, 2022 USD ($) note	Jan. 31, 2022 USD ($)	Jan. 29, 2022 USD ($) note	May 01, 2021 USD ($) note
Senior Notes
Debt Instrument [Line Items]
Total unamortized discount and debt issuance costs		$ 21,600,000		$ 22,700,000	$ 25,800,000
Number of series notes \| note		7		7	8
Senior Notes \| Level 1
Debt Instrument [Line Items]
Unsecured senior notes estimated fair value		$ 2,400,000,000		$ 2,600,000,000	$ 2,700,000,000
Senior Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,300,000,000
Number of renewal options \| renewal_option	2
Renewal option, term	1 year
Option to increase credit facility, additional amount (up to)	$ 700,000,000
Senior Unsecured Revolving Credit Facility \| Standby Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 300,000,000
$800 million revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 800,000,000
Amount outstanding under the revolving credit facility		0
Standby Letters of Credit
Debt Instrument [Line Items]
Amount outstanding under the revolving credit facility		$ 0