Postretirement Health Care and Life Insurance Benefits Postretirement Health Care and Life Insurance Benefits (Estimated Postretirement Benefit Payments in Future Years) (Details) - Other Postretirement Benefits Plan [Member] $ in Millions |
Jan. 30, 2021
USD ($)
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| Expected Benefit [Abstract] | |
| 2021 | $ 13 |
| 2022 | 12 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 9 |
| 2026-2030 | $ 36 |
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- Definition Expected Benefit [Abstract] No definition available.
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- Definition Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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