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Pension and Other Benefits (Tables) | 3 Months Ended
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Apr. 30, 2016
Compensation and Retirement Disclosure [Abstract] |
Schedule of Net Pension and Postretirement Health Care Benefits Expense | We provide pension plan benefits to certain eligible team members.
Net Pension Benefits Expense | Three Months Ended
(millions) | Apr 30, 2016 |  |  | May 2, 2015 |
Service cost | $ | 21 |  |  | $ | 28 |
Interest cost | 34 |  |  | 38 |
Expected return on assets | (64 | ) |  | (65 | )
Amortization of losses | 12 |  |  | 23 |
Amortization of prior service cost | (3 | ) |  | (3 | )
Settlement charges | — |  |  | 2 |
Total | $ | — |  |  | $ | 23 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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