Debt And Credit Facilities (Narrative) (Details) $ in Millions	3 Months Ended
Oct. 28, 2023 USD ($) numberOfRatingsAgencies numberOfPeriods covenant
Debt Instrument [Line Items]
Number of options to extend revolver	2
Number of specified ratings agencies \| numberOfRatingsAgencies	3
Number of financial covenant tests \| covenant	2
Commercial paper [Member]
Debt Instrument [Line Items]
Outstanding borrowings	$ 0
Maximum borrowing capacity	800
Middle range of Leverage Ratio limits on dividends and share repurchases [Member]
Debt Instrument [Line Items]
Limit on dividends and share repurchases	100
Lower limit on dividends and share repurchases [Member]
Debt Instrument [Line Items]
Limit on dividends and share repurchases	$ 60
Minimum [Member]
Debt Instrument [Line Items]
Number of specified ratings agencies \| numberOfRatingsAgencies	2
Revolver [Member]
Debt Instrument [Line Items]
Current borrowing capacity	$ 800
Outstanding borrowings	0
Option to increase the maximum capacity of revolving credit facility	200
Maximum borrowing capacity	$ 1,000
Debt covenant leverage ratio	4
Fixed charge coverage ratio	1.25
Revolver [Member] \| Maximum leverage ratio for unlimited dividends and share repurchases [Member]
Debt Instrument [Line Items]
Debt covenant leverage ratio	3
Revolver [Member] \| Upper limit of Leverage Ratio
Debt Instrument [Line Items]
Debt covenant leverage ratio	3.5
Revolver [Member] \| Minimum [Member] \| Lower limit of agencies providing investment grade rating [Member]
Debt Instrument [Line Items]
Number of specified ratings agencies \| numberOfRatingsAgencies	1
Number of consecutive fiscal quarters meeting leverage ratio threshold \| numberOfPeriods	2
Debt covenant leverage ratio	2.5

Debt Instrument, Debt Covenant Fixed Charge Coverage Ratio

No definition available.

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- Definition

Debt Instrument, Debt Covenant Leverage Ratio

+ References

No definition available.

+ Details

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Namespace Prefix:	jwn_
Data Type:	xbrli:pureItemType
Balance Type:	na
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- Definition

Limit on dividends and share repurchases when certain leverage ratio thresholds are met

+ References

No definition available.

+ Details

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

- Definition

Number of consecutive fiscal quarters with a leverage ratio of less than 2.5 times required while having only one investment grade rating in order for our revolver not to be secured.

+ References

No definition available.

+ Details

Name:	jwn_NumberOfConsecutiveFiscalQuartersMeetingLeverageRatioThreshold
Namespace Prefix:	jwn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of financial covenant tests under our Revolver

+ References

No definition available.

+ Details

Name:	jwn_NumberOfFinancialCovenantTests
Namespace Prefix:	jwn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of specified ratings agencies our revolver agreement requires to have an unsecured investment-grade debt rating from in order for our revolver not to be secured.

+ References

No definition available.

+ Details

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

- Definition

Number of options to extend the revolving commitment by one year provided we obtain written consent from the lenders.

+ References

No definition available.

+ Details

Name:	jwn_OptiontoExtendRevolver
Namespace Prefix:	jwn_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum amount by which the entity may choose to increase the maximum capacity of a credit facility.

+ References

No definition available.

+ Details

Name:	jwn_RevolvingCreditFacilityOptionToIncreaseMaximumAmount
Namespace Prefix:	jwn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(2))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 3: 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)(a)(3))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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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
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any 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

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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

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Namespace Prefix:
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- Details

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- Details

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- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
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- Details

Name:	srt_StatementScenarioAxis=jwn_LeverageRatioForUnlimitedDividendsAndShareRepurchasesMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	srt_StatementScenarioAxis=jwn_UpperLimitOfLeverageRatioMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_StatementScenarioAxis=jwn_UnsecuredRevolverLowerLimitRequirementsMember
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