Summary of the carrying amounts of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workman's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

No definition available.

Name:	jwn_SummaryOfSelfInsuranceReserveTextBlock
Namespace Prefix:	jwn_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration