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Restructuring Charges - Renew Blue Phase 2 (Details) - USD ($) $ in Millions | 3 Months Ended
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Apr. 30, 2016 | May. 02, 2015
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | $ 29 | $ 186
Termination benefits [Member] | Restructuring Program Renew Blue Phase 2 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 19 |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, balance at the beginning of the period | 0 |
Payments for Restructuring | (4) |
Restructuring reserve, balance at the end of the period | 15 |
Facility closure and other costs [Member] | Restructuring Program Renew Blue Phase 2 [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, balance at the end of the period | 11 |
Continuing Operations [Member] | Restructuring Program Renew Blue Phase 2 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 27 |
Restructuring Charges, Operating Income Impact | 27 |
Continuing Operations [Member] | Restructuring Program Renew Blue Phase 2 [Member] [Domain] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 27 |
Continuing Operations [Member] | Property and equipment write-downs [Member] | Restructuring Program Renew Blue Phase 2 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges, Operating Income Impact | 7 |
Continuing Operations [Member] | Termination benefits [Member] | Restructuring Program Renew Blue Phase 2 [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges, Operating Income Impact | $ 20 |

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- Definition Amount charged against earnings in the period for incurred and estimated costs, including inventory and non-inventory related costs, associated with restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted. + References No definition available. + Details
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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