Shareholders' Equity (Narrative) (Details) (USD $) In Millions	6 Months Ended
Jul. 30, 2011
Shares repurchased, Shares	10.4
Repurchase of common stock, Amount	$ 473
Remaining share repurchase capacity	688
2010 Program [Member]
Shares repurchase authorization	500
2011 Program [Member]
Shares repurchase authorization	$ 750

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References+ Details

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References+ Details