Postretirement Benefits (Amounts Recognized As Liabilities In The Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Jan. 28, 2012	Jan. 29, 2011
Postretirement Benefits [Abstract]
Current liabilities	$ 6	$ 5
Noncurrent liabilities	146	117
Net amount recognized	$ 152	$ 122

For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

+ References+ Details

This represents the entire liability recognized in the balance sheet that is associated with the defined benefit plans.

+ References

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+ Details

- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

+ References

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+ Details