Debt And Credit Facilities (Summary Of Long-Term Debt) (Details) - USD ($) $ in Millions	Jul. 31, 2021	Jan. 30, 2021	Aug. 01, 2020
Debt Instrument [Line Items]
Long-term debt, net of unamortized discount	$ 2,849	$ 3,269	$ 3,266
Deferred bond issue costs	(23)	(27)	(28)
Less: current portion	0	(500)	0
Total due beyond one year	2,849	$ 2,769	$ 3,266
Senior notes, 4.00%, due October 2021 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate		4.00%	4.00%
Long-term debt, net of unamortized discount	$ 0	$ 500	$ 500
Senior notes, 2.30%, due April 2024 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	2.30%
Long-term debt, net of unamortized discount	$ 250	$ 0	$ 0
Secured Notes, 8.75%, due May 2025 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate		8.75%	8.75%
Long-term debt, net of unamortized discount	$ 0	$ 600	$ 600
Senior notes, 4.00%, due March 2027 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	4.00%	4.00%	4.00%
Long-term debt, net of unamortized discount	$ 349	$ 349	$ 349
Senior debentures, 6.95%, due March 2028 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	6.95%	6.95%	6.95%
Long-term debt, net of unamortized discount	$ 300	$ 300	$ 300
Senior notes, 4.375%, due April 2030 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	4.375%	4.375%	4.375%
Long-term debt, net of unamortized discount	$ 500	$ 500	$ 499
Senior notes, 4.25%, due August 2031 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	4.25%
Long-term debt, net of unamortized discount	$ 425	$ 0	$ 0
Senior notes, 7.00%, due January 2038 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	7.00%	7.00%	7.00%
Long-term debt, net of unamortized discount	$ 147	$ 147	$ 147
Senior notes, 5.00%, due January 2044 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate	5.00%	5.00%	5.00%
Long-term debt, net of unamortized discount	$ 901	$ 900	$ 899

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ 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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 3: 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 http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

Reference 5: 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(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

Reference 7: 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(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

+ References

+ Details

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

- Definition

Amount of long-term debt and lease obligation, classified as current.

+ References

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotesFourPercentDueOctoberTwoThousandAndTwentyOneNetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotes23DueApril2024NetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorSecuredNotes8750PercentDueMay2025NetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotes400PercentDueMarch2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorDebentures695PercentDueMarch2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotes4375PercentDueApril2030NetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotes425DueAugust2031NetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotes700PercentDueJanuary2038NetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jwn_SeniorNotes500PercentDueJanuary2044NetOfUnamortizedDiscountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: