Postretirement Health Care and Life Insurance Benefits (Weighted Average Assumptions Used To Determine Net Periodic Costs For Postretirement Plans) (Details) |
12 Months Ended | ||
|---|---|---|---|
Feb. 03, 2018 |
Jan. 28, 2017 |
Jan. 30, 2016 |
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| Other Postretirement Benefits Plan [Member] | |||
| Discount rate | 3.17% | 3.14% | 3.55% |
| X | ||||||||||
- Definition 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://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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