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Retirement Plans (Fair Value Of Pension Plan Assets) (Details) - Pension Plans Defined Benefit Excluding Interest and Dividend Receivables and Pending Investment Purchases and Sales [Member] - USD ($) $ in Millions | Jan. 30, 2021 | Feb. 01, 2020
--- | --- | ---
Fair value of pension plan assets | $ 3,248 | $ 3,414
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 796 | 2,157
Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 1,965 | 778
Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Short term investments [Member] |  |
Fair value of pension plan assets | 3 |
Short term investments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 |
Short term investments [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 3 |
Short term investments [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 |
Money market pooled funds [Member] |  |
Fair value of pension plan assets | 136 | 37
Money market pooled funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 136 | 37
Money market pooled funds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | 0
Money market pooled funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Equity Securities, U.S. Pooled Funds [Member] |  |
Fair value of pension plan assets | 356 | 474
Equity Securities, U.S. Pooled Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 356 | 474
Equity Securities, U.S. Pooled Funds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | 0
Equity Securities, U.S. Pooled Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Equity Securities, International Pooled Funds [Member] |  |
Fair value of pension plan assets | 333 | 357
Equity Securities, International Pooled Funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 37 | 82
Equity Securities, International Pooled Funds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | 0
Equity Securities, International Pooled Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
U.S. Treasury bonds [Member] |  |
Fair value of pension plan assets | 270 | 58
U.S. Treasury bonds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
U.S. Treasury bonds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 270 | 58
U.S. Treasury bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Other Government bonds [Member] |  |
Fair value of pension plan assets | 63 | 61
Other Government bonds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Other Government bonds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 63 | 61
Other Government bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Corporate bonds [Member] |  |
Fair value of pension plan assets | 1,609 | 615
Corporate bonds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Corporate bonds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 1,609 | 615
Corporate bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Mortgage-backed securities and forwards [Member] |  |
Fair value of pension plan assets | 11 | 23
Mortgage-backed securities and forwards [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Mortgage-backed securities and forwards [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 11 | 23
Mortgage-backed securities and forwards [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Asset-backed securities [Member] |  |
Fair value of pension plan assets | 1 | 10
Asset-backed securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Asset-backed securities [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 1 | 10
Asset-backed securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Pooled funds [Member] |  |
Fair value of pension plan assets | 271 | 1,442
Pooled funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 271 | 1,442
Pooled funds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | 0
Pooled funds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Real Estate [Member] |  |
Fair value of pension plan assets | 31 | 37
Real Estate [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Real Estate [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | 0
Real Estate [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Private equity [Member] |  |
Fair value of pension plan assets | 160 | 167
Private equity [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Private equity [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | 0
Private equity [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Derivatives in a positive position [Member] |  |
Fair value of pension plan assets | 8 | 4
Derivatives in a positive position [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | 0 | 0
Derivatives in a positive position [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 8 | 4
Derivatives in a positive position [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | 0 | 0
Derivatives in a negative position [Member] |  |
Fair value of pension plan assets | (4) | (6)
Derivatives in a negative position [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets | (4) | 0
Derivatives in a negative position [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets | 0 | (6)
Derivatives in a negative position [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets | $ 0 | 0
Equity Securities, U.S. Stocks [Member] |  |
Fair value of pension plan assets |  | 122
Equity Securities, U.S. Stocks [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets |  | 122
Equity Securities, U.S. Stocks [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets |  | 0
Equity Securities, U.S. Stocks [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets |  | 0
Bonds [Member] |  |
Fair value of pension plan assets |  | 13
Bonds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair value of pension plan assets |  | 0
Bonds [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair value of pension plan assets |  | 13
Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair value of pension plan assets |  | $ 0

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + 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 (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: 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=118257860&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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