Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Net Periodic Benefit Cost Assumptions (Details)	12 Months Ended
Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.05%	3.70%	3.95%
Expected long-term rate of return on plan assets	3.85%	5.65%	6.05%
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.48%	3.67%	3.98%

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- 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.

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