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Benefit Plans (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |
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Oct. 29, 2011
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Oct. 30, 2010
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| Defined Benefit Plan Disclosure [Line Items] | ||
| Company contributions to defined benefit pension plan | $ 225 | $ 325 |
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Minimum [Member]
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| Defined Benefit Plan Disclosure [Line Items] | ||
| Number of hours per year required for participation in defined benefit and defined contribution plans | 1,000 | |
| X | ||||||||||
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- Definition
Number Of Hours Required For Participation In Defined Benefit And Defined Contribution Plans No definition available.
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| X | ||||||||||
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- Definition
The increase in the fair value of plan assets from contributions made by the employer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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