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Retirement Plans Retirement Plans (Retirement Expenses) (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 30, 2016 | Jan. 31, 2015 | Feb. 01, 2014
Total Retirement Expense | $ 77 | $ 65 | $ 235
Pension Plan [Member] |  |  |
Total net periodic benefit cost | (54) | (64) | 154
Supplemental Employee Retirement Plan |  |  |
Total net periodic benefit cost | 41 | 38 | 57
Non qualified defined contribution plan [Member] | Other Postretirement Benefit Plan [Member] |  |  |
Defined Contribution Plan, Cost Recognized | $ 2 | $ 2 | $ 0

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- Definition Amount of retirement expenses, including 401(k) defined contribution plan, pension plan, and supplementary retirement plan + References No definition available. + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Details
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- Details
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- Details
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