Postretirement Health Care and Life Insurance Benefits (Weighted Average Assumptions Used To Determine Net Periodic Costs For Postretirement Plans) (Details) - Other Postretirement Benefits Plan [Member] - USD ($) $ in Millions |
12 Months Ended | ||
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Feb. 02, 2019 |
Feb. 03, 2018 |
Jan. 28, 2017 |
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| Interest cost | $ 5 | $ 5 | $ 6 |
| Discount rate | 4.02% | 3.71% | |
| Discount rate | 3.28% | 3.17% | 3.14% |
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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