Benefit Plans (Narrative) (Details) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jul. 31, 2021
USD ($)
|
Aug. 01, 2020
USD ($)
|
Jul. 31, 2021
USD ($)
Hour
|
Aug. 01, 2020
USD ($)
|
|
| Pension And Other Postretirement Benefit Expense [Abstract] | ||||
| Number of hours required for participation in defined benefit and defined contribution plans | Hour | 1,000 | |||
| Defined benefit plan, amount of transferred pension plan assets | $ 256 | $ 256 | ||
| Defined benefit plan, settlement charges | $ 81 | $ 38 | $ 81 | $ 38 |
| X | ||||||||||
- Definition Number Of Hours Required For Participation In Defined Benefit And Defined Contribution Plans No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) in plan assets of defined benefit plan from assets transferred into (from) plan. No definition available.
|
| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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