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Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Pension Plan) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
Other Postretirement Benefits Plan [Member] |  |  |
Projected benefit obligation, beginning of year | $ 156 | $ 186 |
Service cost | 0 | 0 | $ 0
Interest cost | 5 | 5 | 6
Defined Benefit Plan, Accumulated Benefit Obligation, Increase (Decrease) for Plan Amendment | 0 | (10) |
Actuarial (gain) loss | (11) | (9) |
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt | 0 | 1 |
Defined Benefit Plan, Benefit Obligation, Benefits Paid | (13) | (17) |
Projected benefit obligation, end of year | 137 | 156 | 186
Fair value of plan assets, beginning of year | 0 | 0 |
Company contributions | 13 | 17 |
Fair value of plan assets, end of year | 0 | 0 | 0
Funded status at end of year | 137 | 156 |
Accounts payable and accrued liabilities | (15) | (17) |
Liability, Defined Benefit Plan, Noncurrent | 122 | 139 |
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position | (137) | (156) |
Net actuarial loss | (41) | (35) |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax | (9) | (10) |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | (50) | (45) |
Supplemental Employee Retirement Plan |  |  |
Projected benefit obligation, beginning of year | 703 | 747 |
Service cost | 0 | 0 | 0
Interest cost | 23 | 22 | 22
Actuarial (gain) loss | (9) | 20 |
Defined Benefit Plan, Benefit Obligation, Benefits Paid | (73) | (86) |
Projected benefit obligation, end of year | 644 | 703 | 747
Fair value of plan assets, beginning of year | 0 | 0 |
Company contributions | 73 | 86 |
Fair value of plan assets, end of year | 0 | 0 | 0
Funded status at end of year | 644 | 703 |
Accounts payable and accrued liabilities | (68) | (69) |
Other (assets) liabilities | (576) | (634) |
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position | (644) | (703) |
Net actuarial loss | 218 | 244 |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax | 6 | 7 |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | 224 | 251 |
Pension Plan [Member] |  |  |
Projected benefit obligation, beginning of year | 3,271 | 3,469 |
Service cost | 5 | 6 | 5
Interest cost | 109 | 104 | 108
Actuarial (gain) loss | (27) | 82 |
Defined Benefit Plan, Benefit Obligation, Benefits Paid | (347) | (390) |
Projected benefit obligation, end of year | 3,011 | 3,271 | 3,469
Fair value of plan assets, beginning of year | 3,409 | 3,374 |
Actual return on plan assets | (44) | 425 |
Company contributions | 0 | 0 |
Fair value of plan assets, end of year | 3,018 | 3,409 | $ 3,374
Funded status at end of year | (7) | (138) |
Other (assets) liabilities | (7) | (138) |
Net actuarial loss | $ 1,109 | $ 992 |

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- Definition Amount of increase (decrease) in accumulated benefit obligation from change in existing term of defined benefit plan or initiation of new 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 (r) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + 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 (a)(6) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 + Details
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