Commitments And Contingencies (Narrative) (Details)	Oct. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Installment payments remaining	1

Number of installment payments remaining for condominium interest on the New York City Flagship store.

No definition available.

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