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Retirement Benefits Plans (Estimated Future Benefit Payments) (Details) (USD $)
In Millions, unless otherwise specified |
Feb. 01, 2014
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|---|---|
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Primary Pension Plan
|
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| Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] | |
| 2014 | $ 342 |
| 2015 | 331 |
| 2016 | 330 |
| 2017 | 330 |
| 2018 | 331 |
| 2019-2023 | 1,652 |
|
Supplemental Pension Plans
|
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| Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] | |
| 2014 | 44 |
| 2015 | 48 |
| 2016 | 42 |
| 2017 | 20 |
| 2018 | 13 |
| 2019-2023 | 64 |
|
Other Postretirement Benefit Plan, Defined Benefit [Member]
|
|
| Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] | |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019-2023 | $ 6 |