Annual report pursuant to Section 13 and 15(d)

Financing (Future Maturities Of Long-Term Debt) (Details)

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Financing (Future Maturities Of Long-Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
Jan. 28, 2012
Debt Disclosure [Abstract]  
2012 $ 121
2013 461
2014 718
2015 1,105
2016 306
After 2016 $ 3,693