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Impairment, Restructuring and Other Costs - Summary of Restructuring and Other Cash Activity (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2021 | May 01, 2021 | Aug. 01, 2020 | May 02, 2020 | Jul. 31, 2021 | Aug. 01, 2020
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Additions charged to expense | $ 0 |  | $ 58 |  | $ 2 | $ 68
Polaris Strategy |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Beginning Balance | 3 | $ 16 | 68 | $ 124 | 16 | 124
Additions charged to expense | 0 | 5 | 21 | 32 |  |
Cash payments | (1) | (18) | (73) | (88) |  |
Ending Balance | 2 | 3 | 16 | 68 | 2 | 16
Polaris Strategy | Employee Severance |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Beginning Balance | 3 | 14 | 58 | 115 | 14 | 115
Additions charged to expense | 0 | 5 | 15 | 25 |  |
Cash payments | (1) | (16) | (67) | (82) |  |
Ending Balance | 2 | 3 | 6 | 58 | 2 | 6
Polaris Strategy | Other Restructuring |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Beginning Balance | 0 | 2 | 10 | 9 | 2 | 9
Additions charged to expense | 0 | 0 | 6 | 7 |  |
Cash payments | 0 | (2) | (6) | (6) |  |
Ending Balance | $ 0 | $ 0 | $ 10 | $ 10 | $ 0 | $ 10

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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