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Retirement Benefits (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Retirement Benefits [Abstract]      
Expense Related to the Qualified Plan $ 56 $ 55 $ 51
Non-Qualified Plan Table Text Block [Line Items]      
Non-Qualified Plan, Benefit Obligation 243 228 214
Non-Qualified Plan, Contributions by Plan Participants 13 12  
Non-Qualified Plan, Contributions by Employer 11 12  
Non-Qualified Plan, Interest Cost 11 12  
Non-Qualified Plan, Benefits Paid (20) (22)  
Non-Qualified Plan [Member]
     
Non-Qualified Plan Table Text Block [Line Items]      
Expense related to the Non-Qualified Plan $ 22 $ 24 $ 26