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Leases additional information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 02, 2019 | Nov. 02, 2019 | Feb. 02, 2019
Leases [Abstract] |  |  |
Operating Leases, Income Statement, Sublease Revenue |  |  | $ 12
Latest Lease Expiration Date | 2040 |  |
Operating Lease, Right-of-Use Asset | $ 341 | $ 797 |
Minimum Lease Commitment Signed Not Yet Commenced | $ 186 | $ 186 |
Operating Lease, Weighted Average Remaining Lease Term | 8 years 8 months 12 days | 8 years 8 months 12 days |
Operating Lease, Weighted Average Discount Rate, Percent | 4.70% | 4.70% |

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- Definition Latest Lease Expiration Date + References No definition available. + Details
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- Definition Minimum lease commitment amount for operating leases signed but not commenced as of period end. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=77891322&loc=d3e41620-112719 + Details
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