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Retirement Benefits Plans (Estimated Future Benefit Payments) (Details) (USD $)
In Millions, unless otherwise specified |
Feb. 02, 2013
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|---|---|
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Primary Plan Benefits [Member]
|
|
| Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] | |
| 2013 | $ 358 |
| 2014 | 359 |
| 2015 | 360 |
| 2016 | 362 |
| 2017 | 366 |
| 2018-2022 | 1,794 |
|
Supplemental Plan Benefits [Member]
|
|
| Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] | |
| 2013 | 53 |
| 2014 | 49 |
| 2015 | 48 |
| 2016 | 42 |
| 2017 | 18 |
| 2018-2022 | 87 |
|
Other Postretirement Benefit Plans, Defined Benefit [Member]
|
|
| Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] | |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018-2022 | $ 8 |