Self-Insurance (Narrative) (Details) $ in Millions	12 Months Ended
Jan. 28, 2023 USD ($)
Self-insurance reserve [Line Items]
Estimated future payments, term	1 year
Standby letters of credit issued on our behalf outstanding	$ 2
Standby Letters of Credit
Self-insurance reserve [Line Items]
Standby letters of credit issued on our behalf available	13
Workers' compensation [Member]
Self-insurance reserve [Line Items]
Self-insurance policy retention per claim	1
Workers' compensation policy limit	$ 0
Percent of future payment obligation due	30.00%
Estimated future payments, term	1 year
Other liability [Member]
Self-insurance reserve [Line Items]
Self-insurance policy retention per claim	$ 1
Percent of future payment obligation due	60.00%
Estimated future payments, term	1 year
Self-insurance policy limit	$ 101

Percent of future payment obligation to be paid, which includes recorded and unrecorded amounts.

No definition available.

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Namespace Prefix:	jwn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Self Insurance [Line Items]

+ References

No definition available.

+ Details

Name:	jwn_SelfInsuranceLineItems
Namespace Prefix:	jwn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Self Insurance Policy Limit Maximum

+ References

No definition available.

+ Details

Name:	jwn_SelfInsurancePolicyLimitMaximum
Namespace Prefix:	jwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Self Insurance Policy Retention Per Claim

+ References

No definition available.

+ Details

Name:	jwn_SelfInsurancePolicyRetentionPerClaim
Namespace Prefix:	jwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Workers' compensation policy limit.

+ References

No definition available.

+ Details

Name:	jwn_WorkersCompensationPolicyLimit
Namespace Prefix:	jwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Term of the unrecognized unconditional purchase obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	jwn_SelfInsuranceAxis=us-gaap_WorkersCompensationInsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	jwn_SelfInsuranceAxis=us-gaap_GeneralLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: