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 |
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| 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 No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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